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PDF BD1HD500EFJ-C Data sheet ( Hoja de datos )
| Número de pieza | BD1HD500EFJ-C | |
| Descripción | 1ch High-side switch | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
Automotive IPS series
1ch High-side switch
BD1Hx500 Series
Features
■ Built-in overcurrent protection circuit
■ Built-in Thermal Shut Down(TSD)
■ Built-in Open Load Detection circuit(When Output is
OFF)
■ Possibility to control directly from CMOS logic IC
■ Low standby current
■ Built-in Under Voltage Lock Out circuit
■ Built-in diagnostic(ST) output function
■ Low On resistance of RDS(ON)=500mΩ(Typ) (VDD=12V,
Ta=25°C, Io=0.25A)
■ Monolithic power IC that has a built in control part
(CMOS) and a power MOS FET on 1chip
■ 1ch High-side switch for the mechanical relay coil
drive
■ AEC-Q100 qualified (1)
(1) Grade 1
General Description
BD1HC/D500 Series is an Automotive 1ch High-Side
switch.
It has a built-in overcurrent protection circuit, Thermal
Shut Down (TSD) circuit, Open Load Detection circuit,
Under Voltage Lock Out circuit, and has diagnostic (ST)
output function at the time during abnormal detection.
Application
■ For automotive (Air conditioner, body equipment, and
meter, etc.)
Typical Application Circuit
Product Summary
Operating voltage
On-state resistance
(25°C, Typ)
Overcurrent limit (Typ)
Active clamp energy (25°C)
4V to 18V
500mΩ
1.45A
33mJ
Package
HTSOP-J8
HSON8
MSOP8
4.90mm x 6.00mm x 1.00mm
2.90mm x 3.00mm x 0.60mm
2.90mm x 4.00mm x 0.90mm
HTSOP-J8
HSON 8
MSOP 8
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed protection against radioactive rays
1/18
TSZ02201-0G3G0BD00070-1-2
2015.04.15 Rev.002
1 page  
BD1Hx500 Series
Datasheet
Electrical Characteristics (unless otherwise specified, VDD=4V to 18V, -40°C ≤ Tj ≤ 150°C)
Parameter
Symbol
Target value
Min Typ
Max
Unit
[Protect Circuit]
Conditions
Overcurrent protection
ILIM
Diagnostic output
delay time(OCP)
ON
OFF
Open Load Detection threshold
(1)
Open Load Detection delay time
tDHL
tDLH
VOPEN
TOPEN
0.8
-
-
1.3
100
1.45
20
100
2.8
300
2.0
100
200
4.0
1000
A
μs
Diagnostic output
delay time(OCP) Figure20
μs
VDD=12V, RL=∞ to 4Ω
Figure 20
V VIN =0V
μs VIN =5V to 0V Figure21
(1) In order to detect the voltage, an external resistance (Rext) of 130kΩ (Typ) is required between VDD and OUT pins.
At worst condition, the following resistance is recommended.
VDD
12 V
6V
5V
Rext
Under 200kΩ
Under 50kΩ
Under 25kΩ
5V
100kΩ
VDD=12V
ST VDD
130kΩ
IN OUT
GND
Rext
Terms
Figure 1. Terms
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/18
TSZ02201-0G3G0BD00070-1-2
2015.04.15 Rev.002
5 Page 
BD1Hx500 Series
Protect function timing chart
Input
voltage
VIN
Chip
temperature Tj
Input
voltage
VIN
t
Chip
temperature Tj
t
Datasheet
t
t
Output
current
IOUT
Output
current
IOUT
t
t
Error
flag
VST
12.5μs(Typ)
t
Figure 18. BD1HC500 Off-latch Overheat Protection
Timing Chart
Error
flag
VST
12.5μs(Typ)
t
Figure 19. BD1HD500 Self-restart Overheat Protection
Timing Chart
Input
voltage
VIN
Output
voltage
Vout
Output
current
IOUT
Error
flag
VST
IOCP
1ms(Typ)
20μs(Typ)
(tDHL)
100μs(Typ)
(tDLH)
t
Input
voltage
VIN
t
Output
voltage
Vout
t
Error
flag
VST
t
Vout ≥ 2.8V(Typ)
(VOPEN)
t
t
300μs(Typ)
(TOPEN)
t
Figure 20. Overcurrent Protect Timing Chart
Figure 21. Open Load Detection Timing Chart
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/18
TSZ02201-0G3G0BD00070-1-2
2015.04.15 Rev.002
11 Page | ||
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| PDF Descargar | [ Datasheet BD1HD500EFJ-C.PDF ] | |
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