ROHM BD6966NUX Technical data

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STRUCTURE Silicon Monolithic Integrated Circuit

PRODUCT SERIES Single-Phase Full-Wave Motor Driver for Fan Motor

TYPE ＢＤ６９６６ＮＵＸ

FEATURES Soft switched drive
PWM speed control
Hall bias
Stand-by function
Low duty start up function

〇ABSOLUTE MAXIMUM RA TINGS

Parameter
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Output voltage
Output current

FG signal output voltage
FG signal output current
HB current ability

Junction temperature

Symbol Limit Unit

Vcc 7 V

Pd 580＊ mW
Topr -40～+105 ℃
Tstg -55～+150 ℃

Vomax 7 V

Iomax 1000＊＊ mA

VFG 7 V

IFG 10 mA
IHB 10 mA

Tjmax 150 ℃

＊ Reduce by 4.64mW/℃ over Ta=25℃.

(On 74.2mm×74.2mm×1.6mm glass epoxy board, Copper foil area 6.28mm

＊＊ This value is not to exceed Pd.

〇OPERATING CONDITIONS

Parameter

Operating supply voltage range
Hall input voltage range

＊This product is not designed for production against radioactive rays.
＊This document may be strategic data subject to COCOM regulations.

Symbol

Limit Unit

Vcc 1.8～5.5 V

VH 0.4～Vcc-1.1 V

2

)

REV. A

2/3

+

-

- +

-

〇ELECTRICAL CHARACTERISTICS (Unless otherwise specifie d Ta=25℃,Vcc=5V)

Parameter

Symbol

Min. Typ. Max.

Limit

Unit Conditions

Circuit current 1 Icc1 1 3 6 mA PWM=OPEN
Circuit current 2
(Stand-by mode)

Icc2 15 25 35 μA PWM=GND

Hall bias voltage Vhb 0.9 1.0 1.1 V IHB=-3mA
Hall input offset Vofs 0 - ±6 mV
PWM input H level Vpwmh 2.5 - Vcc+0.3 V
PWM input L level Vpwml -0.3 - 0.8 V

PWM input current

Ipwmh - 0 - μA PWM=Vcc

Ipwml -33 -25 -17 μA PWM=GND

Input frequency Fpwm 2 - 50 kHz
SEL input L level Vsell -0.3 - 0.8 V

Output voltage Vo - 0.4 0.6 V

SEL=L
Low duty start-up ON
Io=300mA

Upper and Lower total
Input-output Gain Gio 43 44.5 46 dB
FG hysteresis voltage Vhys ±5 ±10 ±15 mV
FG low voltage Vfgl - 0.12 0.3 V IFG=5mA
FG leak current Ifgl 0 - 5 μA VFG=7V
Lock detection ON time Ton 0.35 0.50 0.65 s
Lock detection OFF time Toff 3.5 5.0 6.5 s

〇P ACKAGE OUTLINES

6

D9

6 6

LOT No.

VSON010X3030 (Unit：mm)

〇BLOCK DIAGRAM 〇TERMINAL NAME

OUT2

1

SEL

2

H+

3

HB

4

H-

5

OSC
Lock

Protection

TSD

Hall
Bias

Control

+

Vcc

GND

10

OUT1

VCC

PW M

Pin No. Terminal

name

1 OUT2

9

2 SEL
3 H+

8

4 HB
5 H-

7

FG

6

6 FG
7 PWM
8 Vcc
9 OUT1

10 GND

REV. A