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參數資料
| 型號： | CA3275 |
| 廠商： | Intersil Corporation |
| 英文描述： | Dual Full Bridge Driver(雙路滿橋驅動器) |
| 中文描述： | 雙路全橋式驅動器（雙路滿橋驅動器） |
| 文件頁數： | 1/5頁 |
| 文件大?。?/td> | 37K |
| 代理商： | CA3275 |
6-3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Copyright
Intersil Corporation 1999
CA3275
Dual Full Bridge Driver
Description
The CA3275 Dual Full Bridge Driver is intended for general-
purpose applications requiring Dual Full Bridge drive or
switching, including direction and pulse-width modulation for
position control. While all features of the IC may not be uti-
lized or required, they would normally be used in instrumen-
tation systems with quadrature coils, such as air-core
gauges, where the coils would be driven at frequencies rang-
ing from 200Hz to 400Hz. The coils are wrapped at 90
o
angles for independent direction control. Coils wound in this
physical configuration are controlled by pulse width modula-
tion, where each coil drive is a function of the sine or cosine
versus degrees of movement. The direction control is used
to change the direction of the current in the H-Driver coil.
The switch rate capability of the IC is typically 30kHz regard-
less of the inductive load. Over-current limiting is used to
limit short circuit current. Over-voltage protection (in the
range of 18V to 24V) causes the device to shut down the
output current drive. Thermal shutdown limits power dissipa-
tion on the chip. The CA3275 is supplied in a 14 lead dual-in-
line plastic package.
Ordering Information
PART NO.
TEMPERATURE
PACKAGE
CA3275E
-40
o
C to +85
o
C
14 Lead Plastic DIP
Features
Two Full Bridge Drivers
±
150mA Maximum Current
Logic Controlled Switching
Direction Control
PWM I
OUT
Control
18V Over-Voltage Protection
300mA Short-Circuit Protection
Nominal 8V to 16V Operation
Internal Voltage Regulation With Bandgap Reference
Applications
Dual Full Bridge Driver For Air Core Gauge Instrumen-
tation
μ
P Controlled Sensor Data Displays
Speedometer Displays
Tachometer Displays
Stepper Motors
Slave Position Indicators
File Number
2159.3
April 1994
Pinout
CA3275 (PDIP)
TOP VIEW
COIL A-
V
CC
V
CC
PWMB
DIR B
V
CC
COIL B-
COIL A+
GND
PWMA
DIR A
GND
GND
COIL B+
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Block Diagram
SENSOR &
CONVERTER
A/D, V/F, ETC
MICROPROCESSOR
PHASE, DIRECTION
& PWM CONTROL
CA3275
DUAL-H
DRIVER
LA
LB
SIN
COS
ROTOR
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CA3275-000 | 制造商:TE Connectivity 功能描述:HEAT SHRNK TBING POLYFN BLCK PIECE - Bulk 制造商:TE Connectivity 功能描述:Heat Shrink Tubing ST Polyolefin Black Thin Loose Piece |
| CA3275E | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Full Bridge Driver |
| CA3276 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| CA3276-000 | 制造商:TE Connectivity 功能描述:HEAT SHRNK TBING POLYFN BLCK PIECE - Bulk 制造商:TE Connectivity 功能描述:Heat Shrink Tubing ST Polyolefin Black Thin Loose Piece |
| CA3276E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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