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參數(shù)資料
| 型號(hào)： | HIP9021IB |
| 廠商： | INTERSIL CORP |
| 元件分類： | 功率晶體管 |
| 英文描述： | Portable Battery Drive/Torque Controller for N-Channel MOSFETs in Motor Control Systems |
| 中文描述： | 0.018 A BUF OR INV BASED MOSFET DRIVER, PDSO8 |
| 封裝： | PLASTIC, MS-012-AA, SOIC-8 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 59K |
| 代理商： | HIP9021IB |
1
PRELIMINARY
August 1996
HIP9021
Portable Battery Drive/Torque Controller for
N-Channel MOSFETs in Motor Control Systems
Features
MOSFET Driver and DC Motor Controller
Torque Control and Overload Protection
Battery Power Supply . . . . . . . . . . . . . . . . +5V to +15V
BiMOS IC with Low Operating Current
- Maximum Supply Current . . . . . . . . . . . . . . . . .1.5mA
- Maximum Input Leakage Currents . . . . . . . . . . 1.5
μ
A
500
μ
A Maximum Supply Current
1
μ
A Maximum Input Leakage Currents
Typical Oscillator Frequency . . . . . . . . . . . . . . . . .5kHz
Power-On-Reset Control
10mA Drive Capability for Gate Output
Operating Temperature . . . . . . . -40
o
C to +85
o
C Range
Applications
Portable Battery Operated Electric Drills
Controller for Small DC Electric Motors
Torque/Drive Controller for Inductive Loads
Intelligent MOSFET Drive
Description
The HIP9021IB is a dedicated Power MOSFET driver which
drives a DC motor. As a system, motor speed is controlled
while controlling torque. The primary application is drive con-
trol for portable drills while providing overload protection.
The main function of the HIP9021IB is to produce a pulse
width modulated square wave signal which drives the gate of
an N-Channel Power MOSFET. The duty-cycle is deter-
mined by the setting of an external potentiometer at the
TRIGGER (speed control) input. As the TRIGGER voltage
level is decreased the duty-cycle of the square wave and the
speed of the motor is increased.
The torque of the motor is limited by the voltage level sensed
at the drain of the external Power MOSFET. When the cur-
rent reaches an adjustable limit set at the TORQUE input,
the drive of the Power MOSFET is disabled.
The system control components include 2 adjustable poten-
tiometer controls and 2 capacitors for the operating fre-
quency and torque delay control. A fixed or battery supply
voltage in the range of 5V to 15V may be used.
The HIP9021IB is provided in a small outline plastic package
for a compact surface mount to a ceramic substrate. The
surface mount assembly can be fit directly into the trigger of
a portable electric drill.
Pinout
HIP9021IB
(SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
HIP9021IB
-40 to +85
8 Ld SOIC
M8.15
DRAIN
TRIGGER
GND
OSC
1
2
3
4
8
7
6
5
V
DD
GATE
DELAY
TORQUE
File Number
4055
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
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