L9953 STMicroelectronics, L9953 Datasheet - Page 2

IC DVR DOOR ACTUATOR POWERSO-36

L9953

Manufacturer Part Number
L9953
Description
IC DVR DOOR ACTUATOR POWERSO-36
Manufacturer
STMicroelectronics
Datasheet

Specifications of L9953

Applications
Door Actuator
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
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L9953
Manufacturer:
ST
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Contents
Contents
1
2
3
4
2/38
Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1
2.2
2.3
2.4
2.5
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
Functional description of the SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1
4.2
4.3
4.4
4.5
4.6
4.7
ESD protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Current monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
PWM inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Cross-current protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Programmable softstart function to drive loads with higher inrush current 21
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SPI - electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Dual power supply: VS and VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Inductive loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Diagnostic functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Overvoltage and under voltage detection . . . . . . . . . . . . . . . . . . . . . . . . . 20
Charge pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Temperature warning and thermal shutdown . . . . . . . . . . . . . . . . . . . . . . 20
Open load detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Over load detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Serial Peripheral Interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Chip Select Not (CSN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Serial Data In (DI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Serial Data Out (DO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Serial clock (CLK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Input data register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Status register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Doc ID 14278 Rev 3
L9953 / L9953XP

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