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PDF UPD16805GS Data sheet ( Hoja de datos )
| Número de pieza | UPD16805GS | |
| Descripción | MONOLITHIC H BRIDGE DRIVER CIRCUIT | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16805
MONOLITHIC H BRIDGE DRIVER CIRCUIT
DESCRIPTION
The µPD16805 is a monolithic H bridge driver IC which uses low-ON resistance power MOS FETs in its driver stage.
This driver has a forward, reverse, and brake functions and is ideal for the driver circuit of motors for camera that
advance or rewind the film, and for auto focusing or zooming.
This IC supports a drive current of up to 1.0 A (DC).
FEATURES
• High drive current
IDR = 4.2 A MAX. at PW ≤ 200 ms (single pulse)
IDR = 1.0 A (DC)
• Low-ON resistance (sum of ON resistances of top
and bottom MOS FET)
RON = 0.4 Ω TYP. at IDR = 1.0 A
• Standby function that turns OFF charge pump circuit
• Compact surface mount package
16-pin plastic SOP (300 mil)
ORDERING INFORMATION
Part Number
µPD16805GS
Package
16-pin plastic SOP (300 mil)
PIN CONFIGURATION (Top View)
C2L 1
C1H 2
C1L 3
VM 4
VDD 5
IN1 6
IN2 7
INC 8
16 C2H
15 VG
14 STBY
13 OUT2
12 PGND
11 OUT1
10 VM
9 DGND
BLOCK DIAGRAM
C1 C2
C3
VDD VG C1 = C2 = C3: External capacitors (10 nF)
STBY
INC
IN1
IN2
Contorol
circuit
Charge pump
circuit
Contorol
circuit
50 kΩ
DGND
Level shift
circuit
D MOS FET
H bridge circuit
VM
OUT1
Load motor
OUT2
PGND
The information in this document is subject to change without notice.
Document No. G11032EJ3V0DS00 (3rd edition)
Date Published July 1997 N
Printed in Japan
©
1997
1 page  
DC-DC
convertor
Battery
VM = 0.5 V to 7.5 V
VDD = 3.0 V to 6.0 V
C1 = C2 = C3 = 10 = nF
C1 C2
C3
STBY 14
VDD
5
OSC
circuit
2 3 16 1
15
Charge pump circuit
VM
10
CPU
INC 8
IN1 6
IN2 7
Pull-down resistor
50 kΩ TYP.
Control circuit
Level shift
circuit
D MOS FET
H bridge
circuit
9
DGND
12
PGND
4
VM
C4 Note
1 to 10 µF
11 OUT1
13
OUT2
M
Film
take-up motor
IN1 L
IN2 L
H
H
Forward Brake
mode
mode
Reverse
mode
Stop mode
Note It is recommended to connect a capacitor of 1 to 10
µF between VM and GND to protect the gate of the
DMOS FET from surge voltage.
5 Page 
[MEMO]
µPD16805
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet UPD16805GS.PDF ] | |
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