BD61243FV 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
BD61243FV
General Description
BD61243FV is a 1chip driver that is composed of
H-bridge power DMOS FET. Moreover, the circuit
configuration is restructured, and convenience has been
improved by reducing the external parts and simplifying
the setting compared with the conventional driver.
Key Specifications
 Operating Voltage Range:
 Operating Temperature Range:
 Output Voltage(total):
5.5V to 16V
–40°C to +105°C
0.2V(Typ) at 0.2A
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
 Rotation Speed Pulse Signal (FG) Output
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.
Typical Application Circuits
SSOP-B14
SIG
1 FG
GND 14
SIG
1 FG
GND 14
PWM
2 H-
H
SSW 13
3 H+
ZPER 12
4 SLOPE
MIN 11
5 PWM
REF 10
2 H-
H
SSW 13
3 H+
ZPER 12
DC
4 SLOPE
MIN 11
5 PWM
REF 10
6 OUT2
VCC 9
6 OUT2
VCC 9
7 RNF
OUT1 8
7 RNF
OUT1 8
＋
＋
M
－
M
－
Figure 1. Application of Direct PWM Input
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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TSZ02201-0H1H0B101290-1-2
Jun.19.2015 Rev.001