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PDF CS3750 Data sheet ( Hoja de datos )
| Número de pieza | CS3750 | |
| Descripción | 100mA Dual H-Bridge Air-Core Gauge Driver | |
| Fabricantes | Cherry Semiconductor Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CS3750 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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CS3750
100mA Dual H-Bridge Air-Core
Gauge Driver
Description
Features
The CS3750 is a dual H-bridge four
quadrant air-core gauge driver. The IC
provides all the functions necessary to
drive a tachometer or speedometer as
part of a microprocessor based multi-
plexed system. Digital input control
eliminates the need for any analog cali-
bration of the gauge.
The controlling microprocessor sends
out a PWM signal to each H bridge
driver input (IN1, IN2). The PWM sig-
nal duty cycle is proportional to the
HÐbridge output. Output current
(100mA max) direction is controlled by
the DIRECTION input. PWM switch-
ing noise is minimized at each half
bridge by an internal RC filter and
external programmable capacitor.
The CS3750 is protected against 50V
load dump, over voltage and thermal
runaway fault conditions. Any of these
faults causes the IC to shut down. Each
high side of the output driver is current
limited. A short circuit condition in one
driver does not affect the others.
Absolute Maximum Ratings
Supply Voltage .................................................................................7.5V to +16V
Internal Power Dissipation.....................................................Internally limited
Logic Input Voltages .......................................................................Ð0.3V to 6.5V
Junction Temperature Range ...................................................Ð40¡C to +150¡C
Storage Temperature Range .....................................................Ð55¡C to +165¡C
Lead Temperature Soldering
Wave Solder (through hole styles only) ...........10 sec. max, 260¡C peak
Electrostatic Discharge (Human Body Model)............................................8kV
s 2 Independent NPN
H-Bridge Drivers
s No Analog Trim Required
s Used in Multiplexed
Systems
s Quiet Gauge Operation
s Programmable Slew
Rate Minimizes
Switching Noise
s Fault Protection
Over Voltage
Thermal Shutdown
Short Circuit
Package Options
Block Diagram
OUT1A
OUT1B C1 OUT2A
OUT2B C2
1/2 H -Bridge
Driver
with Current
Limit
1/2 H -Bridge
Driver
with Current
Limit
1/2 H- Bridge
Driver
with Current
Limit
1/2 H- Bridge
Driver
with Current
Limit
DIRECTION
Control
Overvoltage
RC Filter
for PWM Input
Thermal
Shutdown
VREF
DIRECTION
Control
RC Filter
for PWM Input
Gnd
16 Lead PDIP
(internally fused leads)
DIR1 1
C1
IN1
Gnd
Gnd
OUT1A
VS1
OUT1B
DIR2
C2
IN2
Gnd
Gnd
OUT2A
VS2
OUT2B
VS1,2
DIR1
IN1
DIR2
IN2
Rev. 7/20/95
1
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: [email protected]
Web Site: www.cherry-semi.com
A Company
¨
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet CS3750.PDF ] | |
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