參數(shù)資料
型號(hào): L99H01QF
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: BRUSH DC MOTOR CONTROLLER, PQFP32
封裝: 7 X 7 MM, ROHS COMPLIANT, LQFP-32
文件頁(yè)數(shù): 51/53頁(yè)
文件大?。?/td> 1129K
代理商: L99H01QF
L99H01
Block diagram and pin description
Doc ID 15567 Rev 3
1
Block diagram and pin description
Figure 1.
Block diagram
1.1
Pinout PowerSSO-36
Control Logic
DI
DO
CSN
CLK
DIR
PWM
SPI
Interface
MOSFET
Control
Wake up
from
Sleepmode
Gate
Driver
HS
Gate
Driver
LS
x 2
Control
Diagnosis
Control
Diagnosis
GH1
SH1
GL1
CSI1+
CSI1-
Differential Current
Sense Amplifier
CSI2+
CSI2-
CSO
Current Sense MUX
Programmable
Gain: 10 / 20 / 50
GND
CP1+
CP1-
CP2+
CP2-
CP
Central 2 Step Charge Pump
V
CP
V
CP
Programmable
V
DSTH & tDead
GH2
SH2
GL2
SL1
EN
Undervoltage
Overvoltage Det.
Vcc
Vs
Temperature Prewarning
& Temperature Shutdown
Vs
SL2
+
-
Watch Dog
+
Vcc
TS /
ACT_OFF
GNDD
Vccd
C
V
REG
5V / 3,3V
M
T
e
m
p
.d
iodes
100nF
V
BAT
NR
es
e
t
op
tion
al
co
ntr
ol:
TS
/ A
CT
_O
FF
C
op
tio
na
l c
on
tro
l
Table 2.
Pin definitions and functions
Pin
Symbol
Function
1GND
Ground.
Reference potential, connected to slug.
2
GNDD
Digital ground.
Reference potential.
3VCCD
Logic voltage supply 3.3 V/5 V: for this input a ceramic capacitor as
close as possible to GND is recommended.
4VCC
Analog voltage supply 3.3 V/5 V: for this input a ceramic capacitor as
close as possible to GND is recommended.
5
EN
Enable input. The enable input has a pull-down resistor.
6DIR
Direction select input for H-bridge control. This input has a pull-down
current.
7
PWM
PWM input for H-bridge control. This input has a pull-down current.
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