• 221 West Industry Court 3 Deer Park, NY 11729-4681 3 Phone (631) 586 7600 Fax (631) 242 9798 •
• World Wide Web Site - www.sensitron.com • E-Mail Address - sales@sensitron.com •
tSENSITRON
SEMICONDUCTOR
DATASHEET 4062
PART NUMBER: UC1625L REV. ENG.
BRUSHLESS DC MOTOR CONTROLLER
DESCRIPTION: INTEGRATED CIRCUIT ELECTRICALLY EQUIVALENT TO Unitrode UC1625L
PACKAGE: HERMETIC CERAMIC 28 PIN LEADLESS CHIP CARRIER
ABSOLUTE MAXIMUM RATINGS
VCC Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +20V
Pwr VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . +20V
PWM In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 6V
E/A IN(+), E/A IN(–) . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 12V
ISENSE1, ISENSE2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1.3 to 6V
OV–Coast, Dir, Speed-In, SSTART, Quad Sel . . . . . . –0.3 to 8V
H1, H2, H3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 12V
PU Output Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 50V
PU Output Current . . . . . . . . . . . . . . . . . . +200 mA continuous
PD Output Current . . . . . . . . . . . . . . . . . . ±200 mA continuous
E/A Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±10 mA
ISENSE Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . –10 mA
Tach Out Output Current . . . . . . . . . . . . . . . . . . . . . . . . ±10 mA
VREF Output Current . . . . . . . . . . . . . . . . . . –50 mA continuous
Operating Temperature Range . . . . . . . . . . . . . –55°C to 110°C
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for: TA = 250C; Pwr VCC = VCC = 12V;
ROSC = 20k to VREF; COSC = 2nF; RTACH = 33k; CTACH = 10nF; and all outputs unloaded. TA = TJ.
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Overall
Supply current Over Operating Range 14.5 30.0 mA
VCC Turn-On Threshold Over Operating Range 8.65 8.95 9.45 V
VCC Turn-Off Threshold Over Operating Range 7.75 8.05 8.55 V
Overvoltage/Coast
OV-Coast Inhibit Threshold Over Operating Range 1.65 1.75 1.85 V
OV-Coast Restart Threshold 1.55 1.65 1.75 V
OV-Coast Hysteresis 0.05 0.10 0.15 V
OV-Coast Input Current –10 –1 0 µA
Logic Inputs
H1, H2, H3 Low Threshold Over Operating Range 0.8 1.0 1.2 V
H1, H2, H3 High Threshold Over Operating Range 1.6 1.9 2.0 V
H1, H2, H3 Input Current Over Operating Range, to 0V -400 -250 –120 µA
Quad Sel, Dir Thresholds Over Operating Range 0.8 1.4 2.0 V
Quad Sel Hysteresis 70 mV
Dir Hysteresis 0.6 V
Quad Sel Input Current 30 50 150 µA
Dir Input Current 30 –1 30 µA
PWM Amp/Comparator
E/A In(+), E/A In(–) Input Current To 2.5V –5.0 –0.1 5.0 µA
PWM In Input Current To 2.5V 0 3 30 µA
Error Amp Input Offset 0V < VCOMMON-MODE < 3V –10 10 mV
Error Amp Voltage Gain 70 90 dB
E/A Out Range 0.25 3.50 V
SSTART Pull-up Current To 0V –16 –10 –5 µA
UC1625L
PINOUT
1E/A In (+) 15 E/A In (-)
2Vref 16 E/A Out
3Isense 17 PWM In
4Isense 1 18 RC-Osc
5Isense 2 19 Sstart
6Dir 20 OV-Coast
7Speed-In 21 Quad Sel
8H1 22 RC-Brake
9H2 23 Tach-Out
10 H3 24 Vcc
11 PWR Vcc 25 PUA
12 PDC 26 PUB
13
PDB
27
PUC
• 221 West Industry Court 3 Deer Park, NY 11729-4681 3 Phone (631) 586 7600 Fax (631) 242 9798 •
• World Wide Web Site - www.sensitron.com • E-Mail Address - sales@sensitron.com •
SSTART Discharge Current To 2.5V 0.1 0.4 3.0 mA
SSTART Restart Threshold 0.1 0.2 0.3 V
Current Amp
Gain ISENSE1 = .3V, ISENSE2 = .5V to .7V 1.75 1.95 2.15 V/V
• 221 West Industry Court 3 Deer Park, NY 11729-4681 3 Phone (631) 586 7600 Fax (631) 242 9798 •
• World Wide Web Site - www.sensitron.com • E-Mail Address - sales@sensitron.com •
SENSITRON
DATASHEET 4062
PART NUMBER: UC1625L REV. ENG.
Level Shift ISENSE1 = .3V, ISENSE2 = .3V 2.4 2.5 2.65 V
Peak Current Threshold ISENSE1 = 0V, Force ISENSE2 0.14 0.20 0.26 V
Over Current Threshold ISENSE1 = 0V, Force ISENSE2 0.26 0.30 0.36 V
ISENSE1, ISENSE2 Input Current To 0V 320 0 µA
ISENSE1, ISENSE2 Offset Current To 0V ±2±12 µA
Range ISENSE1, ISENSE2 –1 2 V
Tachometer/Brake
Tach-Out High Level Over Operating Range, 10k to 2.5V 4.7 55.3 V
Tach-Out Low Level Over Operating Range, 10k to 2.5V 0.2 V
On Time 170 220 280 µs
On Time Change With Temp Over Operating Range 0.1 %
RC-Brake Input Current To 0V –4.0 –1.9 mA
Threshold to Brake, RC-Brake Over Operating Range 0.8 1.0 V
Brake Hysteresis, RC-Brake 0.09 V
Speed-In Threshold Over Operating Range 220 257 mV
Speed-In Input Current –30 –5 µA
Low-Side Drivers
Voh, –1mA, Down From VCC Over Operating Range 1.60 2.1 V
V Voh, –50mA, Down From VCC Over Operating Range 1.75 2.2 V
Vol, 1mA Over Operating Range 0.05 0.4 V
Vol, 50mA Over Operating Range 0.36 0.8 V
Rise/Fall Time 10% to 90% Slew Time, into 1nF 50 ns
High-Side Drivers
Vol, 1mA Over Operating Range 0.1 0.4 V
Vol, 50mA Over Operating Range 1.0 1.8 V
Leakage Current Output Voltage = 50V 25 µA
Fall Time 10% to 90% Slew Time, 50mA Load 50 ns
Oscillator
Frequency 40 50 60 kHz
Frequency Over Operating Range 35 65 kHz
Reference
Output Voltage 4.9 5.0 5.1 V
Output Voltage Over Operating Range 4.7 5.0 5.3 V
Load Regulation 0mA to –20mA Load –40 –5 mV
Line Regulation 10V to 18V VCC –10 –1 10 mV
Short Circuit Current Over Operating Range 50 100 150 mA
Miscellaneous
Output Turn-On Delay 1µs
Output Turn-Off Delay 1µs
UC1625L
• 221 West Industry Court 3 Deer Park, NY 11729-4681 3 Phone (631) 586 7600 Fax (631) 242 9798 •
• World Wide Web Site - www.sensitron.com • E-Mail Address - sales@sensitron.com •
SENSITRON
DATASHEET 4062
PART NUMBER: UC1625L REV. ENG.
MECHANICAL DRAWING – CERAMIC LCC28 (inches)
UC1625L
