器件名称: FAN8461GX
功能描述: Single Phase Full Wave BLDC Motor Driver
文件大小: 301.59KB 共14页
简 介:www.fairchildsemi.com
FAN8461G
Single Phase Full Wave BLDC Motor Driver
Description Features
A wide range of operating voltage: 2.8V to 28V Locked rotor protection with open collector output and auto retry Open collector FG output. Open collector Alarm output. TSD protection. The FAN8461G is a single phase BLDC motor driver and it’s typical application is DC cooling fans with wide range of supply voltage(3.3/5/12/24V).
Typical Applications
CPU Cooling Fans Instrumentation Fans Desktop PC Fans
Ordering Information
Device FAN8461G FAN8461GX Package 10-SSOP 10-SSOP Operating Temp. 30°C ~ 90°C 30°C ~ 90°C
Rev.1.0.2
2003 Fairchild Semiconductor Corporation
FAN8461G
Block Diagram
8 7
VCC VM
FG
10
4
OUT1
Commutation & Control & TSD
AL
9
H+ H-
2 1
6
OUT2
Lock Detection & Auto Restart
LD
3
VLDCP
5
GND
VLDCL
2
FAN8461G
Pin Definitions
Pin Number
1 2 3 4 5 6 7 8 9 10
Pin Name
H H+ LD OUT1 GND OUT2 VM VCC AL FG
I/O
A A A A P A P P O O
Pin Function Description
Hall input Hall input + Sawtooth wave generator for lock detector and automatic restart Motor output 1 Ground Motor output 2 Motor power supply Logic power supply Alram output Speed output
Remark
-
Open collector Open collector
3
FAN8461G
Absolute Maximum Ratings (Ta = 25°C)
Parameter
Maximum power supply voltage Thermal resistance Maximum power dissipation Maximum output voltage Maximum output current Maximum output peak current Maximum FG/Alarm output current FG/Alarm output sustain……
