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PDF BD6941FM Data sheet ( Hoja de datos )

Número de pieza BD6941FM
Descripción Automotive 1ch H Bridge Driver
Fabricantes ROHM Semiconductor 
Logotipo ROHM Semiconductor Logotipo



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Datasheet
Motor/Actuator Drivers DC Brush Motor Series
Automotive 1ch H Bridge Driver (50V Max)
BD6941FM
General Description
BD6941FM is a reversible motor driver with an output
current of 1.25A (1Motor). It can control a DC motor in
four modes: Forward, Reverse, Standby, and Brake,
using two control logic inputs.
Key Specifications
Input Supply Voltage Range:
Output ON Resistor(Total):
Output Current:
Operating Temperature Range:
8.0V to 16V
0.84Ω(Typ)
1.25A(Max)
-40°C to +105°C
Features
1ch DMOS H Bridge Output
Four Output States (Forward, Reverse, Standby,
and Brake) through two Control Logic
Low Standby Current
Built-in Output Counter-Electromotive Force
Absorption Diode
Over-Current Protection with Timer (OVP)
Over Voltage Detection (Switch OFF)
TSD Detects Junction Temperature and Circuitry
Switches OFF the Outputs at High Temperature.
Built-in Over-Current Protection Monitor Pin (PO)
Package
HSOP-M36
W (Typ) x D (Typ) x H (Max)
18.50mm x 9.90mm x 2.40mm
Applications
Onboard Devices (Vehicle Equipment, etc.)
Typical Application Circuit and Block Diagram
M
N.C. 1
N.C. 2
N.C. 3
N.C. 4
N.C 5
.
N.C. 6
SGND 7
MN 8
MN 9
OVER
VOLTAGE
PROTECTION
OVER -
CURRENT
PROTECTION
VCC
10
VCC 11
N.C. 12
TSD
CONTROL
LOGIC
N.C. 13
N.C. 14
N.C. 15 PROTECTION
N.C. 16 MONITOR
SGND 17
PO
18
36 N.C.
35 N.C.
34 N.C.
33 N.C.
32 N.C.
31 PGND
30 PGND
29 MP
28
MP
27 N.C.
26 N.C.
25 N.C.
24 N.C.
23 N.C.
22 N.C.
21 SGND
20 INN
19 INP
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has no designed protection against radioactive rays
1/13
TSZ02201-0H5H0BK01280-1-2
06.Nov.2015 Rev.001

1 page




BD6941FM pdf
BD6941FM
Typical Performance Curves continued
1.2
0.9
Ta=105°C
0.6 Ta=25°C
Ta=-40°C
0.3
0.0
0.0
0.4 0.8 1.2
Output Curren[t: ]IOUT [A]
1.6
Figure 5. Upper Free-Wheeling Diode Forward
Voltage H vs Output Current
1.2
0.9
Ta=105°C
0.6 Ta=25°C
Ta=-40°C
0.3
0.0
0.0
0.4 0.8 1.2
Output Curren[t: I]OUT [A]
1.6
Figure 6. Upper Free-Wheeling Diode Forward
Voltage L vs Output Current
0.16
0.12
Ta=105°C
0.08
Ta=-40°C
Ta=25°C
0.04
0
0123
IPIOPO[m[mA]A]
Figure 7. VPO vs IPO
(Protection Monitor Voltage)
4
4
3
2
1
0
-40 -10 20 50 80 105
TemperTaatu[re]: Ta [°C]
Figure 8. Over-Current Protection Switch on Current vs
Temperature
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
5/13
TSZ02201-0H5H0BK01280-1-2
06.Nov.2015 Rev.001

5 Page





BD6941FM arduino
BD6941FM
Ordering Information
BD6 9 4 1 FM -
E2
Part
Number
Package
FM : HSOP-M36
Packaging and forming specification
E2: Embossed tape and reel
Marking Diagram
HSOP-M36 (TOP VIEW)
BD6941FM
Part Number Marking
LOT Number
1PIN MARK
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
11/13
TSZ02201-0H5H0BK01280-1-2
06.Nov.2015 Rev.001

11 Page







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