UPD16805 NEC, UPD16805 Datasheet - Page 5

• Manufacturer Part Number: UPD16805
• Description: MONOLITHIC H BRIDGE DRIVER CIRCUIT
• Manufacturer: NEC

Battery
IN
IN
1
2
L
L
DC-DC
convertor
CPU
Pull-down resistor
50 k TYP.
H
Forward
mode
STBY 14
INC
IN1
IN2
Brake
mode
H
V
DD
8
6
7
= 3.0 V to 6.0 V
OSC
circuit
Control circuit
Reverse
mode
V
M
V
= 0.5 V to 7.5 V
DD
5
Stop mode
2
Charge pump circuit
C
1
3
C
1
= C
Level shift
circuit
16
2
= C
C
DGND
9
2
3
1
= 10 = nF
Note It is recommended to connect a capacitor of 1 to 10
15
DMOS FET from surge voltage.
F between V
C
3
D MOS FET
H bridge
circuit
10
V
PGND
12
M
M
and GND to protect the gate of the
11
13
4
V
OUT1
OUT2
M
M
Film
take-up motor
C
1 to 10 F
4
Note