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MA7210 Datasheet(PDF) 1 Page - Major-Power Technology Co., LTD.

Part # MA7210
Description  Complementary Output Hall Effect Fan Driver
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Manufacturer  MPOWER [Major-Power Technology Co., LTD.]
Direct Link  http://major-power.com.tw/
Logo MPOWER - Major-Power Technology Co., LTD.

MA7210 Datasheet(HTML) 1 Page - Major-Power Technology Co., LTD.

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MA7210
Major Power Technology Co., Ltd.
Rev.1.2
Nov.09, 2017
Complementary Output Hall Effect Fan Driver
GENERAL DESCRIPTION
MA7210 is integrated Hall sensors with output drivers, mainly designed for electronic
commutation of brush-less DC Fan. This IC is using HV BCD process internally includes the
regulator, protecting diode, Hall plate, amplifier, comparator, and a pair of complementary
open-Drain outputs (DO, DOB).
To avoid coil burning, rotor-lock shutdown detection circuit shut down the output driver
if the rotor is blocked and then the automatic recovery circuit will try to restart the motor.
This function repeats while rotor is blocked. Until the blocking is removed, the motor
recovers running normally.
FEATURES
- Built-in protecting diode only for chip reverse power connecting
- Wide operating voltage range: 3.5V~18V
- Output sink current up to 0.6A
- On-Chip High sensitivity Hall-effect Sensor
- Thermal Shutdown Protection
- -40°C to 85°C Operating Temperature range
- Rotor-locked shutdown and automatically restart function
- For 5V and 12V DC motor / FAN systems
- Low Profile SIP-4L Package
PIN ASSIGNMENT
The package of MA7210 is SIP-4L; the pin assignment is given by:
1.10mm
1.9mm
1
VDD
2
DO
3
DOB
(Top View)
SIP-4L
4
GND
(Sensor Location)
Name
Description
VDD
Supply Voltage
DO
Output 1
DOB Output 2
GND Ground.


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