bd6709fs ROHM Co. Ltd., bd6709fs Datasheet - Page 35

• Manufacturer Part Number: bd6709fs
• Description: Dc Brushless Motor Drivers For Cooling Fans Speed Controllable Single-phase Full-wave Dc Brushless Fan Motor Drivers
• Manufacturer: ROHM Co. Ltd.

GND
Vcc
37.3kΩ
1) Hall input terminal
3) Output current detecting terminal
CS
5) Reference voltage terminal
◎BD6722FS
6) Oscillating capacitor connecting terminal
H+
H-
GND
GND
Variable amplifier input terminal
Level amplifier input terminal
Level amplifier output terminal
Minimum rotating speed setting terminal
Vcc
Vcc
1kΩ
VREF
1kΩ
30kΩ
22kΩ
1kΩ
COSC
1kΩ
1kΩ
VMIN
1kΩ
1kΩ
30Ω
1kΩ
1kΩ
1kΩ
10.6kΩ
42kΩ
5kΩ
1kΩ
1kΩ
35/40
1kΩ
2) Motor output terminal
1kΩ
Output current detecting resistor connecting terminal
4) FG output terminal or
13kΩ
37kΩ
1kΩ
AL output terminal
1kΩ
20Ω
VTH
FG or AL
RNF
15kΩ
20kΩ
1kΩ
1kΩ