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Rohm Semiconductor Electronic Components Datasheet

BD8379EFV-M Datasheet

12ch LED Driver

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Datasheet
Serial-in Parallel-out LED Driver
12ch LED Driver IC
with 3-line Serial Interface
BD8379EFV-M
General Description
The BD8379EFV-M is a serial-in parallel-out controlled
LED driver with 35V output voltage rating.
With the input of 3-line serial data, it turns the 12ch
open drain output on/off.
Due to its compact size, it is optimal for small space.
Features
Open Drain Output.
3-line Serial Control + Enable Signal.
Cascade Connection Compatible.
HTSSOP-B20 Package.
Internal 12ch Power Transistor.
Output Slew Rate Typical 20V/μs
(for Low EMC Noise).
AEC-Q100 Qualified. (Note 1)
(Note 1) Grade2
Key Specifications
Input voltage range:
Output voltage range:
DC Output Current (per CH):
Output ON Resistance:
Standby current:
Operating temperature range:
3.0V to 5.5V
35V (Max.)
50mA(Max.)
6Ω(Typ.)
0μA (Typ.)
-40°C to +105°C
Package
HTSSOP-B20
W(Typ.) x D(Typ.) x H(Max.)
6.50mm x 6.40mm x 1.00mm
Applications
For indicator of Cluster Panel.
Typical Application Circuit
VCC
10μF
VBAT
10μF
Micro -
computer
VCC
OEN_B
LATCH
RST_B
CLK
SERIN
SEROUT
GND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
VCC
10μF
VCC
OEN_B
LATCH
RST_B
CLK
SERI N
SEROUT
GND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
ID
RL
VF
ID
RL
VF
Figure 1. Typical Application Circuit
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/17
TSZ02201-0T1T0C500190-1-2
01.Jun.2016 Rev.002


Rohm Semiconductor Electronic Components Datasheet

BD8379EFV-M Datasheet

12ch LED Driver

No Preview Available !

BD8379EFV-M
Pin Configurations
VCC 1
SERIN 2
D0 3
D1 4
D2 5
D3 6
D4 7
D5 8
RST_B 9
OEN_B 10
(TOP VIEW)
Thermal Pad
20 GND
19 CLK
18 D11
17 D10
16 D9
15 D8
14 D7
13 D6
12 LATCH
11 SEROUT
Figure 2. Pin Configuration
Block Diagram
Pin Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
-
Symbol
Function
VCC Power supply voltage input
SERIN Serial data input
D0 Drain output 0
D1 Drain output 1
D2 Drain output 2
D3 Drain output 3
D4 Drain output 4
D5 Drain output 5
RST_B Reset invert input (Low:FF data 0)
OEN_B Output enable (High:Output OFF)
SEROUT Serial data output
LATCH Latch signal input (High:Data latch)
D6 Drain output 6
D7 Drain output 7
D8 Drain output 8
D9 Drain output 9
D10 Drain output 10
D11 Drain output 11
CLK Clock input
GND GND
Thermal Back side thermal PAD
PAD (Please connect to GND)
VCC
SERIN
CLK
SEROUT
LATCH
RST_B
OEN_B
GND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
Figure 3. Block Diagram
2/17
TSZ02201-0T1T0C500190-1-2
01.Jun.2016 Rev.002


Part Number BD8379EFV-M
Description 12ch LED Driver
Maker ROHM
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