TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 FEATURES APPLICATIONS * Eight Low-Side Drivers With Internal Clamp for Inductive Loads and Current Limiting for Self Protection - Seven Outputs Rated at 150 mA and Controlled Through Serial Interface - One Output Rated at 150 mA and Controlled Through Serial Interface and Dedicated Enable Pin * 5-V 5% Regulated Power Supply With 200-mA Load Capability at VIN Max of 18 V * Internal Voltage Supervisory for Regulated Output * Serial Communications for Control of Eight Low-Side Drivers * Enable/Disable Input for OUT1 * 5-V or 3.3-V I/O Tolerant for Interface to Microcontroller * Programmable Power-On Reset Delay Before RST Asserted High, Once 5 V Is Within Specified Range (6 ms Typ) * Programmable Deglitch Timer Before RST Asserted Low (40 s Typ) * Programmable Brown-Out Feature * Thermal Shutoff for Self Protection * 1 2 * Electrical Applicances - Air Conditioning Units - Ranges - Dishwashers - Refrigerators - Microwaves - Washing Machines General-Purpose Interface Circuit Allowing Microcontroller Interface to Relays, Electric Motors, LEDs, and Buzzers PWP PACKAGE (TOP VIEW) BO_OUTZ OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 BO VIN 5VOUT SCLK NCS MOSI RST RDELAY EN1 NC NC - No internal connection DESCRIPTION/ORDERING INFORMATION The power supply provides regulated 5-V output to power the system microcontroller and drive eight low-side switches. The brown-out detection output (BO_OUTZ) warns the system if there is a temporary drop in the supply voltage, so the system can prevent potentially hazardous situations. A serial communications interface controls the eight low-side outputs; each output has an internal snubber circuit to absorb the inductive load at turn OFF. Alternatively, the system can use a fly-back diode to VIN to help recirculate the energy in an inductive load at turn OFF. ORDERING INFORMATION (1) TA -40C to 125C (1) (2) PACKAGE (2) PowerPADTM - PWP ORDERABLE PART NUMBER Reel of 2000 TPL9202PWPR Tube of 70 TPL9202PWP TOP-SIDE MARKING PL202 For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright (c) 2006-2008, Texas Instruments Incorporated TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 PINOUT CONFIGURATION (1) 2 NO. NAME I/O 1 BO_OUTZ O Brown-out indicator DESCRIPTION 2 OUT1 O Low-side output 1 3 OUT2 O Low-side output 2 4 OUT3 O Low-side output 3 5 OUT4 O Low-side output 4 6 OUT5 O Low-side output 5 7 OUT6 O Low-side output 6 8 OUT7 O Low-side output 7 9 OUT8 O Low-side output 8 10 GND I Ground 11 NC 12 EN1 No connection I Enable/disable for OUT1 13 RDELAY O Power-up reset delay 14 (1) RST I/O Power-on reset output (open drain) 15 MOSI I Serial data input 16 NCS I Chip select 17 SCLK I Serial clock for data synchronization 18 5VOUT O Regulated output 19 VIN I Unregulated input voltage source 20 BO I Brown-out input threshold setting Terminal 14 can be used as an input or an output. Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 FUNCTIONAL BLOCK DIAGRAM OUT1 EN1 OUT1 Enables OUT1 EN1 50 k OUT1 at 150 mA 6V Gate Control for Outputs 1 Through 8 100 k OUT2 OUT2 OUT2 at 150 mA OUT3 OUT3 at 150 mA NCS OUT3 OUT4 NCS OUT4 at 150 mA Parallel Register OUT4 OUT5 OUT5 at 150 mA OUT5 OUT6 OUT6 at 150 mA SCLK SCLK 100 k MOSI OUT6 OUT7 Serial Register OUT7 at 150 mA OUT7 OUT8 OUT8 at 150 mA MOSI 20 (2 W)10 V VIN OUT8 100 k 7-18 V PMOS Optional, dependent on heat-management implementation (see Note A) 5VOUT Gate Drive and Control Bandgap Ref Comp 5V - GND + GND Vref 5 k Vref Voltage Supervisor RST RST Iconst RDELAY RDELAY BO VIN Comp BO_OUTZ 1.2 V BO_OUTZ Recommended A. The resistor and Zener diode are required if there is insufficient thermal-management allocation. Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 3 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 www.ti.com DETAILED DESCRIPTION The 5-V regulator is powered from VIN, and the regulated output is within 5 V 5% over the operating conditions. The open-drain power-on reset (RST) pin remains low until the regulator exceeds the set threshold, and the timer value set by the capacitor on the reset delay (RDELAY) pin expires. If both of these conditions are satisfied, RST is asserted high. This signifies to the microcontroller that serial communications can be initiated to the TPL9202. The serial communications is an 8-bit format, with data transfer synchronized using a serial clock from the microcontroller. A single register controls all the outputs (one bit per output). The default value is zero (OFF). If an output requires pulse width modulation (PWM) function, the register must be updated at a rate faster than the desired PWM frequency. OUT1 can be controlled by serial input from the microcontroller or with the dedicated enable (EN1) pin. If EN1 is pulled low or left open, the serial input through the shift register controls OUT1. If EN1 is pulled high, OUT1 always is turned on, and the serial input for OUT1 is ignored. The brown-out (BO) input is a resistor divided from the input supply and is used to determine if the supply voltage drops to undesired levels. If the input drops below the programmed value, BO_OUTZ is pulled low, and all outputs are disabled. Once the input supply line returns to the minimum desired level, the outputs are enabled to the previous programmed states. If RST is asserted, all outputs are turned OFF internally, and the input register is reset to all zeroes. The microcontroller must write to the register to turn the outputs ON again. 4 Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 Absolute Maximum Ratings (1) MIN (3) MAX UNIT VIN 24 BO 24 VI(unreg) Unregulated input voltage (2) VI(logic) Logic input voltage (2) VO Low-side output voltage OUT1-OUT8 16.5 V ILIMIT Output current limit (4) OUTn = ON and shorted to VIN with low impedance 350 mA JA Thermal impedance, junction to ambient (5) 33 C/W JC Thermal impedance, junction to top of package (5) 20 C/W JP Thermal impedance, junction to thermal pad (5) 1.4 C/W (3) Continuous power dissipation ESD Electrostatic discharge (7) TA Operating ambient temperature range Tstg Storage temperature range Tlead Lead temperature (2) (3) (4) (5) (6) (7) 7 RST and RDELAY 7 (6) PD (1) EN1, MOSI, SCLK, and NCS V V 3.7 W 2 kV -40 125 C -65 125 C 260 C Soldering, 10 s Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltage values are with respect to GND. Absolute negative voltage on these pins must not go below -0.5 V. Not more than one output should be shorted at a time, and duration of the short circuit should not exceed 1 ms. The thermal data is based on using 1-oz copper trace with JEDEC 51-5 test board for PWP. The data is based on ambient temperature of 25C maximum. The Human Body Model is a 100-pF capacitor discharged through a 1.5-k resistor into each pin. Dissipation Ratings PACKAGE TA 25C POWER RATING DERATING FACTOR ABOVE TA = 25C TA = 125C POWER RATING PWP 3787 mW 30.3 mW/C 757 mW Recommended Operating Conditions VI(unreg) Unregulated input voltage VI(logic) Logic input voltage TA Operating ambient temperature MIN MAX VIN 7 18 BO (as seen by external resistor network) 0 18 0 5.25 V -40 125 C EN1, RST, and RDELAY , MOSI, SCLK, and NCS Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 UNIT V 5 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 Electrical Characteristics TA = -40C to 125C, VIN = 7 V to 18 V (unless otherwise noted) PARAMETER MIN TYP (1) TEST CONDITIONS MAX UNIT Supply Voltage and Current VIN (2) Input voltage IIN Input supply current 7 18 Enable = low, OUT1-OUT8 = Off 3 Enable = high, OUT1-OUT8 = On 5 V mA Logic Inputs (MOSI, NCS, SCLK, and EN1) VIL Logic input low level IIL = 100 A VIH Logic input high level IIL = 100 A VOL Low-level logic output IOL = 1.6 mA VOH (3) High-level logic output 5-k pullup to VCC VH Disabling reset threshold 5-V regulator ramps up VL Enabling reset threshold 5-V regulator ramps down VHYS Threshold hysteresis 0.8 2.4 V V Reset (RST) 0.4 VCC - 0.8 V V 4.25 4.5 V 3.3 3.75 V 0.12 0.5 V 18 28 Reset Delay (RDELAY) Output current tDW Reset delay timer C = 47 nF 6 ms tUP Reset capacitor to low level C = 47 nF 45 s 0.4 3 48 A IOUT Output (OUT1-OUT8) VOL Output ON IOUTn = 150 mA IOH Output leakage VOH = Max of 16.5 V 0.7 V 2 A 5.25 V Regulator Output (5VOUT) 5VOUT Output supply I5VOUT = 5 mA to 200 mA, VIN = 7 V to 18 V, C5VOUT = 1 F 4.75 I5Vout Limit output short circuit current 5VOUT = 0 V 200 5 mA Brown-Out (BO) Input BOVthes Threshold for brown-out detection VIN reduced until BO_OUTZ goes low 1.3 V Brown-Out Detection Output (BO_OUTZ) VOL Logic level output IOL = 100 A VOH (3) Logic level output Pullup to VCC 0.4 VCC - 0.8 V V Thermal Shutdown TSD Thermal shutdown THYS Hysteresis (1) (2) (3) 6 150 C 20 C All typical values are at TA = 25C. There are external high-frequency noise-suppression capacitors and filter capacitors on VIN. VCC is the pullup resistor voltage. Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 Output Control Register MSB LSB IN8 IN7 IN6 IN5 IN4 IN3 IN2 IN1 0 0 0 0 0 0 0 0 INn = 0 = Output OFF INn = 1 = Output ON To operate the output in PWM mode, the output control register must be updated at a rate twice the desired PWM frequency of the output. Maximum PWM frequency is 5 kHz. The register is updated every 100 s. ENABLE TRUTH TABLE EN1 SERIAL INPUT FOR OUT1 OUT1 Open H On Open L Off L H On L L Off H H On H L On Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 7 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 Serial Communications Interface The serial communications are an 8-bit format, with data transfer synchronized using a serial clock from the microcontroller (see Figure 1). A single register controls all the outputs. The signal gives the instruction to control the output of TPL9202. The NCS signal enables the SCLK and MOSI data when it is low. After NCS is set to low for T1, synchronization clock and data begin to transmit and, after the 8-bit data has been transmitted, NCS is set high again to disable SCLK and MOSI and to transfer the serial data to the control register. SCLK must be held low when NCS is high. T2 T3 T8 T1 T4 T5 T1 NCS SCLK 1 2 3 4 5 6 7 8 LSB MSB MOSI XXX IN8 IN7 IN6 IN5 IN4 IN3 IN1 IN2 T6 T7 Figure 1. Serial Communications 8 Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 www.ti.com TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 Timing Requirements TA = -40C to 125C, VIN = 7 V to 18 V (unless otherwise noted) MIN TYP MAX 4 UNIT fSPI SPI frequency T1 Delay time, NCS falling edge to SCLK rising edge 10 MHz ns T2 Delay time, NCS falling edge to SCLK falling edge 80 ns T3 Pulse duration, SCLK high 60 ns T4 Pulse duration, SCLK low 60 ns T5 Delay time, last SCLK falling edge to NCS rising edge 80 ns T6 Setup time, MOSI valid before SCLK edge 10 ns T7 Hold time, MOSI valid after SCLK edge 10 ns T8 Time between two words for transmitting 170 ns Reset Delay (RDELAY) The RDELAY output provides a constant current source to charge an external capacitor to approximately 6.5 V. The external capacitor is selected to provide a delay time, based on the current equation for a capacitor, I = C(v/t) and a 28-A typical output current. Therefore, the user should select a 47-nF capacitor to provide a 6-ms delay at 3.55 V. I = C(v/t) 28 A = C x (3.55 V/6 ms) C = 47 nF Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 9 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 APPLICATION INFORMATION Buzzer Driver Relay Driver Relay Driver Relay Driver Relay Driver Fan Driver Fan Driver Fan Driver MOSI SCLK MCU/DSP NCS 8 Outputs BO_OUTZ TPL9202 RST 5VOUT 5% at 200 mA Brown Out EN1 RDELAY DC Input 7 V to 18 V GND Figure 2. Typical Application Display (LED/LCD/VFD) AC Filters Keypad LED LED Water Supply Valve Water Outlet Softener Supply Volume Sensor M Power Switch Controller Water-Level Sensor Driver BO VIN + ~ Optical Sensor BO_OUTZ Brown-Out Detect Regulator ~ Temperature Sensor (Optional) 5VOUT POR/SYS RST - Cover Switch TPL9202 Figure 3. Washing-Machine Application 10 Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 PCB Layout To maximize the efficiency of this package for application on a single layer or multilayer PCB, certain guidelines must be followed when laying out this part on the PCB. The following information is to be used as a guideline only. For further information, see the PowerPAD concept implementation document. Application Using a Multilayer PCB In a multilayer board application, the thermal vias are the primary method of heat transfer from the package thermal pad to the internal ground plane (see Figure 4 and Figure 5). The efficiency of this method depends on several factors: die area, number of thermal vias, thickness of copper, etc. (see the PowerPADTM Thermally Enhanced Package Technical Brief, literature number SLMA002). Solder Pad (Land Pattern) Package Thermal Pad Thermal Vias Package Outline Figure 4. Package and PCB Land Configuration for a Multilayer PCB Power Pad Package Solder Pad Component Traces 1.5038-1.5748-mm Component Trace (2-oz Cu) 2 Plane 4 Plane Thermal Via 1.5748 mm Thermal Isolation Power Plane Only 1.0142-1.0502-mm Ground Plane (1-oz Cu) 0.5246-0.5606-mm Power Plane (1-oz Cu) 0.0-0.071-mm Board Base and Bottom Pad Package Solder Pad (Bottom Trace) Figure 5. Multilayer Board (Side View) Application Using a Single-Layer PCB In a single-layer board application, the thermal pad is attached to a heat spreader (copper areas) by a low thermal-impedance attachment method (solder paste or thermal conductive epoxy). With either method, it is advisable to use as many copper traces as possible to dissipate the heat. Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 11 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 CAUTION: If the attachment method is not implemented correctly, the functionality of the product cannot be ensured. Power-dissipation capability is adversely affected if the device is incorrectly mounted on the circuit board. Use as Much Copper Area as Possible for Heat Spread Package Thermal Pad Package Outline Figure 6. Layout Recommendations for a Single-Layer PCB 12 Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 TPL9202 8-CHANNEL RELAY DRIVER WITH INTEGRATED 5-V LDO AND BROWN-OUT DETECTION www.ti.com SLIS124D - JUNE 2006 - REVISED FEBRUARY 2008 Recommended Board Layout 6,5 SMOC 5,85 SMOC = Solder Mask Over Copper SMO = Solder Mask Opening 8) 3 ( 1 2,4 SMO 3,4 SMOC 4,52 6,92 0,3 1,2 (20) 1 0,65 0,27 (20) 3,7 SMO Figure 7. Recommended Board Layout for PWP Submit Documentation Feedback Copyright (c) 2006-2008, Texas Instruments Incorporated Product Folder Link(s): TPL9202 13 PACKAGE OPTION ADDENDUM www.ti.com 10-Jan-2008 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty TPL9202PWP ACTIVE HTSSOP PWP 20 70 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR TPL9202PWPG4 ACTIVE HTSSOP PWP 20 70 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR TPL9202PWPR ACTIVE HTSSOP PWP 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR TPL9202PWPRG4 ACTIVE HTSSOP PWP 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR Lead/Ball Finish MSL Peak Temp (3) (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. 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Addendum-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device TPL9202PWPR Package Package Pins Type Drawing SPQ HTSSOP 2000 PWP 20 Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 330.0 16.4 Pack Materials-Page 1 6.95 B0 (mm) K0 (mm) P1 (mm) 7.1 1.6 8.0 W Pin1 (mm) Quadrant 16.0 Q1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TPL9202PWPR HTSSOP PWP 20 2000 367.0 367.0 38.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46C and to discontinue any product or service per JESD48B. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. 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