BD6971FV ROHM Co. Ltd., BD6971FV Datasheet

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BD6971FV

Manufacturer Part Number
BD6971FV
Description
Single-phase Full-wave Motor Driver For Fan Motor
Manufacturer
ROHM Co. Ltd.
Datasheet
STRUCTURE
PRODUCT SERIES
TYPE
FEATURES
〇ABSOLUTE MAXIMUM RATINGS
〇OPERATING CONDITIONS
*This product is not designed for production against radioactive rays.
*This document may be strategic data subject to COCOM regulations.
*Reduce by 7.0mW/°C over Ta=25°C.
**This value is not to exceed Pd.
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Output current
FG output current
FG output voltage
REF current ability
HB current ability
Input voltage(H+, H-, TH, MIN, CS)
Junction temperature
Operating supply voltage range
Hall input voltage range
TH input voltage range
MIN input voltage range
(On 70.0mm×70.0mm×1.6mm glass epoxy board)
Parameter
Parameter
Silicon Monolithic Integrated Circuit
Single-Phase Full-Wave Motor Driver for Fan Motor
BD6971FV
Speed controllable by DC/PWM input
Current limit circuit
PWM soft switching drive
Symbol
Symbol
Iomax
Tjmax
VMIN
IREF
VFG
Topr
VTH
Tstg
Vcc
IFG
IHB
VIN
Vcc
VH
Pd
REV. A
0 to Vcc-2.0
-40 to +100
-55 to +150
3.5 to 17.0
0 to VREF
0 to VREF
874.7*
0 to 7.0
1.0
Limit
Limit
150
20
20
10
5
5
7
**
Unit
mW
Unit
mA
mA
mA
°C
°C
°C
V
A
V
V
V
V
V
V
V
less than Vcc=9.0V
more than Vcc=9.0V
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BD6971FV Summary of contents

Page 1

STRUCTURE Silicon Monolithic Integrated Circuit PRODUCT SERIES Single-Phase Full-Wave Motor Driver for Fan Motor BD6971FV TYPE FEATURES Speed controllable by DC/PWM input Current limit circuit PWM soft switching drive 〇ABSOLUTE MAXIMUM RATINGS Parameter Supply voltage Power dissipation Operating temperature Storage ...

Page 2

CHARACTERISTICS (Unless otherwise specified Ta=25°C, Vcc=12V) Parameter Circuit current Hall input hysteresis + Hall input hysteresis - Output voltage Lock detection ON time Lock detection OFF time FG output low voltage FG output leak current OSC low voltage OSC ...

Page 3

OUTLINES 5.0 ± 0.2 14 D6971 1 0.65 SSOP-B14 (UNIT: mm) 〇BLOCK DIAGRAM FG SIGNAL QUICK 1 OUTPUT START H- SOFT 2 SWITCH HALL COMP - CURRENT VCL LIMIT COMP CONTROL + CS ...

Page 4

ON USE 1) Absolute maximum ratings An excess in the absolute maximum rations, such as supply voltage, temperature range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a short ...

Page 5

No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...

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