LB11650 Datasheet, PDF (3/6 Pages) Sanyo Semicon Device – PWM Input Forward/Reverse Motor Driver

Pin Assignment
LB11650
LB11650
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Top view
Truth Table
PHASE
H
L
X
X
X
BRAKE
L
L
L
H
X
ST
H
H
H
H
L or OPEN
PWM
H
H
L
X
X
OA
H
L
OFF
H
OFF
OB
L
H
OFF
H
OFF
Operating mode
Forward
Reverse
Output off
Brake
Standby mode (circuits off)
X: H or L
Pin Functions
Pin No.
1
14
4
2
7
3
5
9
10
6
8
12
11
13
Pin
OA
OB
VHS
VLS
C
VM
V_CC
PHASE
BRAKE
ST
PWM
R
GND
DiGND
Pin function
Output
Output
High side current sensing (Insert an external resistor between VM and VHS. When the voltage across this resistor reaches 0.5 V,
the outputs are turned off.)
Low side current sensing (Insert an external resistor between VLS and ground. When the voltage across this resistor reaches
0.5 V, the outputs are turned off.)
Connection for an external filter capacitor that prevents incorrect operation of the current sensing output shutdown and thermal
shutdown circuits.
Motor system power supply
Logic system power supply
Forward/reverse switching pin
Brake control input. A high input switches the IC to brake mode.
Standby mode control. The IC operates in standby mode when this pin is low or open.
PWM input. High: on
Low: off
Low side drive current switching. (Short R to V_CC when V_CC is 3.3 V, and leave R open when V_CC = 5.0 V.)
Ground
Lower side regeneration diode ground connection
No. 7390-3/6