L9338 Quad low side driver Datasheet - production data Features Wide input voltage range from -24 V up to +45 V Wide operating supply voltage range from 4.5 V up to 32 V Reverse biasing protected (VS = -24 V) Very low standby quiescent current < 2 A Programmable signal transfer polarity TTL and CMOS compatible inputs Defined output off state off for open inputs Three open drain DMOS outputs, with RDSon = 1.5 . at 25 C and VS > 6 V Output current limitation Controlled output slope for low EMI Over temperature shut-down Integrated output clamping for fast inductive recirculation VFB > 45 V Status monitoring for: - Over temperature - Disconnected ground or supply voltage Table 1. '!0'03 SO20 ESD: all pins are guaranteed till 2 kV human body mode Description The L9338 is a monolithic integrated quad low side driver realized in advanced Multipower-BCD technology. It is intended to drive lines, lamps or relays in automotive or industrial applications. Device summary Order code Package Packing E-L9338MD SO20 Tube E-L9338MD/TR SO20 Tape and reel April 2012 This is information on a product in full production. Doc ID 1766 Rev 4 1/14 www.st.com 1 Contents L9338 Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Operating condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 Circuit description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2/14 Doc ID 1766 Rev 4 L9338 List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pins function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Absolute maximum ratings (no damage or latch) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Operating condition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Doc ID 1766 Rev 4 3/14 List of figures L9338 List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. 4/14 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pins connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Application circuit for inverting transfer polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SO20 mechanical data and package dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Doc ID 1766 Rev 4 L9338 1 Block diagram Block diagram Figure 1. ). Block diagram /54 #(!..%, /54 ). 4(%2-!, 3(54$/7. #(!..%, $)!' $)!'./34)# ,/')# 02' %. 6INT 2%&%2%.#% 6LOGIC '.$ 63 '!0'03 Doc ID 1766 Rev 4 5/14 Pins description 2 L9338 Pins description Figure 2. Pins connection diagram ). 02' ). /54 $)!' /54 '.$ '.$ '.$ '.$ '.$ '.$ '.$ '.$ 63 /54 ). /54 ). %. '!0'03 Table 2. 6/14 Pins function Pin # Pin name Function 1 IN1 Input 1 2 IN2 Input 2 3 DIAG Diagnostic 4,5,6,7,14, 15,16,17 GND Ground 8 VS Supply voltage 9 IN3 Input 3 10 IN4 Input 4 11 EN Enable 12 OUT 4 Output 4 13 OUT 3 Output 3 18 OUT 2 Output 2 19 OUT 1 Output 1 20 PRG Program Doc ID 1766 Rev 4 L9338 Electrical specifications 3 Electrical specifications 3.1 Absolute maximum ratings Table 3. Absolute maximum ratings (no damage or latch) Symbol Value Unit -24 to 45 V Input, enable, program -24 to 45 V VOUT Output -0.3 to 45 V VDIAG Diagnostic output -0.3 to 45 V VS Parameter Supply voltage Pin voltages VIN 3.2 Thermal data Table 4. Thermal data Symbol Rth (j-pins) TjMon 3.3 Parameter Thermal resistance junction-to-pin Temperature-monitoring Switch-off-level Switch-on-level Value Unit 14 (Typ.) C/W 160 to 190 140 to 170 C C Operating condition The electrical characteristics are valid within the below defined operating ranges, unless otherwise specified. The function will be guaranteed by design until TjMON switch-OFF-level. Table 5. Operating condition Symbol Parameter Value Unit VS Supply voltage 4.5 to 32 V VIN Input pin voltage -24 to 45 V VEN Enable pin voltage -24 to 45 V VOUT, VD Output pin voltage -0.3 to 45 V -40 to 150 C Tj Junction temperature Doc ID 1766 Rev 4 7/14 Electrical specifications L9338 3.4 Electrical characteristics Table 6. Electrical characteristics Symbol IQ Parameter Quiescent current Test Condition Min. Typ. Max. Unit -0.3V VEN 0.5V; VS = 14V; Tj = 85C - <2 10 A EN = high; VS 14V - 1.5 2 mA Inputs IN1 - IN3, PRG VINIlow Input voltage low - -24 - 2.0 V VINhigh Input voltage high - 2.8 - 45 V Input current -24 V Vi 10 V -10 - 15 A IIN Enable input EN VENlow Input voltage low - -24 - 1 V VENhigh Input voltage high - 3.2 - VS V REN Input impedance -24V < Vi < 2.5V 10 - - k IEN Input current 2.5V Vi 25V - 20 50 A Outputs OUT1-OUT3 RDSon Output on-resistor to ground VS 6 V, IO= 0.3 A Tj = 25 C Tj = 125 C - 1.7 2.3 3.5 IOLeak Leakage current VO = VS = 14 V; Tj = 85 C - 1 5 A time < 200 s; 10 mA Io 0.3 A 45 52 60 V 400 700 1200 mA VOClamp Output voltage during clamping IOSC Short-circuit current - CO Internal output capacities VO 4.5V - - 100 pF Diagnostic output DIAG VDlow Output voltage low IDL 1 mA - 0.3 0.5 V IDmax Max. Output current Internal current limitation 1 5 15 mA Leakage current VS = 14 V; TJ = 85 C - 0.1 1 A - 2.5 3.5 s - 3 4.5 s - - 10 s - - 10 s 2.5 9 16 V/s IDleak Timing (see Figure 3) td,on On delay time td,off Off delay time tset td,DIAG Sout 8/14 Enable settling time VS = 14 V, Cext = 0 pF 10 mA IO 200m A On or off diagnostic delay time Output slopes Doc ID 1766 Rev 4 L9338 Electrical specifications Figure 3. Timing diagram 6%. 6).HIGH 6).LOW ACTIVE T 602' )NVERTING -ODE .ON )NVERTING -ODE 6).HIGH 6).LOW T 6). 6).HIGH 6).LOW T 6/54 63 63 T TSET TD OFF TD ON TD OFF .O CONTROLLED OUTPUT SLOPE FOR ENABLE LOW Doc ID 1766 Rev 4 TD ON TD OFF TD ON TSET '!0'03 9/14 Circuit description 4 L9338 Circuit description The L9338 is a quad low side driver for lines, lamps or inductive loads in automotive and industrial applications. All inputs are TTL or CMOS compatible. This allows the device to be driven directly by a microcontroller. For the noise immunity, all inputs have a Schmitt-trigger with a hysteresis of typ. 100 mV. Each input stage has an input voltage protection from -24 V to 45 V. The device can be activated with a 'high' signal on Enable (EN) input. Enable 'low' switches the device into the sleep mode. In this mode the quiescent current is less than 10 mA. A high signal on programming (PRG) input changes the signal transfer polarity from non inverting into the inverting mode. Normally this pin is connected to VS or GND. These pins (PRG and EN) are internally fixed at low status by open input condition. Independent of the programming input, the output (OUT) switches off, if the signal input (IN) pin is not connected. Each output driver has a current limitation of min. 0.4 A and a separate thermal shut-down. The thermal shut-down deactivates that output which exceeds temperature switch off level. About 20K below this temperature threshold the output will be activated again. This means, that each output is able to sink continuously 285 mA without activating thermal shut-down at 85 C ambient temperature. The slew rate of the output is limited to max. 14 V/ms to reduce the electromagnetic interference, but not for the enable transfer characteristic (see Figure 3). An integrated active flyback voltage limitation clamps the output voltage during the flyback phase of inductive loads to typ. 50 V. The power DMOS switches ON, if the device is enabled and the output swings below ground. This protection avoids the activation of parasitic inside the power DMOS. The diagnostic (DIAG) is an open drain output. The logic status depends on the programming pin. If the PRG pin is 'low' the DIAG output becomes low, if the device works correctly. At thermal shut-down of one channel, disconnected ground or supply voltage the diagnostic output becomes high. If the PRG pin is 'high' this output is switched off at normal function and switched on at over temperature. Table 7. Diagnostic Pins EN PRG IN OUT DIAG H L L L (on) L (on) H L H H (off) L (on) H H L H (off) H(off) H H H L (on) H(off) L X X H (off) H(off) Over temperature, disconnected ground or supply voltage H L X H (off) (1) H (off) Over temperature H H X H (off) (1) L (on) Normal function 1. Selective for each channel at over temperature. X = not relevant. 10/14 Doc ID 1766 Rev 4 L9338 Circuit description Figure 4. Application circuit for inverting transfer polarity "/!2$ 6/,4!'% 6 6## 6 M & -)#2/#/.42/,,%2 6## '.$ 02' ).4 ! $ $ $ $ !DRESSDECODER 63 - $)!' %. 7 ). ). ). ). M( M! /54 /54 /54 /54 '.$ 6## 6 7 6## ). K(Z M( P& '.$ '!0'03 Doc ID 1766 Rev 4 11/14 Package information 5 L9338 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. Figure 5. SO20 mechanical data and package dimensions MM INCH $)- -). 490 -!8 -). 490 -!8 ! ! " # $ % E ( H , K DDD /54,).% !.$ -%#(!.)#!, $!4! PLQ PD[ h$v DIMENSION DOES NOT INCLUDE MOLD FLASH PROTUSIONS OR GATE BURRS -OLD FLASH PROTUSIONS OR GATE BURRS SHALL NOT EXCEED MM PER SIDE 3/ $ '!0'03 12/14 Doc ID 1766 Rev 4 L9338 6 Revision history Revision history Table 8. Document revision history Date Revision March 2000 3 10-Apr-2012 4 Changes Document reformatted. Updated ordering numbers, see Table 1: Device summary on page 1. Doc ID 1766 Rev 4 13/14 L9338 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. 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