l99h01 STMicroelectronics, l99h01 Datasheet - Page 7

• Manufacturer Part Number: l99h01
• Description: Motor Bridge Driver For Automotive Applications
• Manufacturer: STMicroelectronics

L99H01
1
1.1
Block diagram and pin description
Figure 1.
Pinout PowerSSO-36
Table 2.
V
5V / 3,3V
BAT
V
µC
Pin
REG
1
2
3
4
5
6
7
Block diagram
Pin definitions and functions
PWM
Symbol
CSO
CSN
CLK
Vccd
DIR
GNDD
DO
EN
Vcc
PWM
V
DI
GND
Vs
V
DIR
EN
CCD
CC
CP1+
Central 2 Step Charge Pump
100nF
& Temperature Shutdown
Temperature Prewarning
CP1-
Overvoltage Det.
Control Logic
Ground.
Reference potential, connected to slug.
Digital ground.
Reference potential.
Logic voltage supply 3.3 V/5 V: for this input a ceramic capacitor as
close as possible to GND is recommended.
Analog voltage supply 3.3 V/5 V: for this input a ceramic capacitor as
close as possible to GND is recommended.
Enable input. The enable input has a pull-down resistor.
Direction select input for H-bridge control. This input has a pull-down
current.
PWM input for H-bridge control. This input has a pull-down current.
Undervoltage
Sleepmode
Watch Dog
Wake up
MOSFET
Control
Interface
from
Doc ID 15567 Rev 3
SPI
CP2+
100nF
CP2-
Control
Diagnosis
Diagnosis
Control
Gain: 10 / 20 / 50
Programmable
Programmable
V
DSTH
Differential Current
CP
& t
Sense Amplifier
Dead
Current Sense MUX
V
100nF
V
CP
CP
Gate
Driver
HS
Gate
Driver
LS
+
-
Vs
x 2
Block diagram and pin description
Function
+
Vcc
TS /
ACT_OFF
GH2
GH1
SH2
SH1
GL2
GL1
SL1
SL2
CSI1+
CSI1-
CSI2+
CSI2-
GND
GNDD
M
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