L9951 STMicroelectronics, L9951 Datasheet - Page 6

• Manufacturer Part Number: L9951
• Description: IC REAR DOOR ACT DVR POWERSO-36
• Manufacturer: STMicroelectronics
• Type: DC Motor Driverr

Specifications of L9951

• Applications: Automotive
• Current - Supply: 7mA
• Voltage - Supply: 7 V ~ 28 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: PowerSO-36 Exposed Bottom Pad
• Operating Current: 20mA
• Operating Temperature Classification: Automotive
• Motor Controller Type: DC Motor Driver
• Package Type: PowerSO
• Operating Supply Voltage (min): 7V
• Operating Supply Voltage (max): 28V
• Supply Current: 20 mA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block diagram and pin description
1
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Block diagram and pin description
Figure 1.
* Note: Value of capacitor has to be choosen carefully to limit the VS
voltage below absolute maximum ratings in case of an unexpected
freewheeling condition of inductive loads (e.g. TSD, POR)
VREG
µC
VCC
Block diagram
**
**
**
**
100
**
**
*
Optimization
1k
1k
1k
1k
1k
100µF
1k
CM / PWM
EMC
100nF
100nF
+
10
CSN
CLK
DO
EN
DI
Doc ID 14173 Rev 8
VCC
Charge
Pump
VS
Protection
Reverse
Polarity
MUX
GND
CP
100k
** Note: Resistors between µC and L9951 are recommended to limit currents
for negative voltage transients at VBAT (e.g. ISO type 1 pulse)
+ Note: Using a ferrite instead of 10ohm will additionally improve EMC behavior
5
V
BAT
OUT4
OUT5
OUT1
OUT2
OUT3
Exterior Light
Safety Light
Safe Lock
Lock
M
M
L9951 / L9951XP