點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
FD177
General Specifications
FD177 is a single coil DC brushless motor driver IC with soft-switching,
locked protection, thermal shut down protection circuit, power polarity
reverse protection and frequency generator. The driver is optimal for single
coil fan applications with less external components.
Features and Benefits
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Support single-phase full wave Brushless DC Motor Driver
Built-in Hall sensor input signal amplifier
Low voltage startup (VDD=2.0V)
High driving capability
Lock detection and automatic self-restart
Power polarity reverse protection
Thermal shut down protection circuit
Thin, compact, highly reliable package (TSOT-28)
Pin Description
O1
VSS
FGR
HP
O2
VDD
NC
HN
Package : TSOT-28
NO. NAME DESCRIPTION
1
2
3
4
5
6
7
8
O1
Output driving & sinking pin 1
Ground pin
VSS
FGR Frequency generator
HP
HN
NC
Hall sensor in+
Hall sensor in-
None connection
VDD Power supply pin
O2 Output driving & sinking pin 2
FD177
Version：A.003
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SITI [ SILICON TOUCH TECHNOLOGY INC. ]
