BD61241FV Datasheet, PDF (1/31 Pages) Rohm – Multifunction Single-phase Full-wave

Datasheet
DC Brushless Fan Motor Drivers
Multifunction Single-phase Full-wave
Fan Motor Driver
BD61241FV
General Description
BD61241FV is a 1chip driver that is composed of
H-bridge power DMOS FET. The pin is compatible with
BD61240FV(rotation speed pulse signal output).
Features
 SSOP Small Package
 Driver Including Power DMOS FET
 Speed Controllable by DC / PWM Input
 I/O Duty Slope Adjust
 PWM Soft Switching
 Current Limit
 Start Duty Assist
 Lock Protection and Automatic Restart
 Quick Start
 Lock alarm signal (AL) output
Key Specifications
 Operating Voltage Range:
5.5V to 16V
 Operating Temperature Range: -40°C to +105°C
 Output Voltage (Total):
0.2V(Typ) at 0.2A
Package
W(Typ) x D(Typ) x H(Max)
5.00mm x 6.40mm x 1.35mm
Applications
 Fan motors for general consumer equipment of
desktop PC, Projector, etc.
SSOP-B16
Typical Application Circuits
SIG
PWM
1 AL
GND 16
2 H-
SLOPE 15
H
3 H+
SOFT 14
4 LA
LZ 13
5 PWM
MIN 12
6 CS
REF 11
7 OUT2
VCC 10
8 RNF
OUT1 9
M
Figure 1. Application of PWM Input
SIG
＋
－
1 AL
GND 16
2 H-
SLOPE 15
H
3 H+
SOFT 14
4 LA
LZ 13
DC
5 PWM
MIN 12
6 CS
REF 11
7 OUT2
VCC 10
8 RNF
OUT1 9
＋
M
－
Figure 2. Application of DC Voltage Input
〇Product structure : Silicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
〇This product has no designed protection against radioactive rays
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TSZ02201-0H1H0B101570-1-2
16.Oct.2015 Rev.001