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BD1LB500

Description
In-Vehicle 1ch Low Side Switch
File Size738KB,19 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
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BD1LB500 Overview

In-Vehicle 1ch Low Side Switch

Datasheet
1ch Low Side Switch IC
In-Vehicle 1ch Low Side Switch
BD1LB500 Series
Features
Built-in overcurrent limiting circuit
Built-in thermal shutdown circuit (TSD)
Built-in open load detection circuit (at output OFF)
Enables direct control from CMOS logic ICs, etc.
Low standby current
Built-in under voltage lock out circuit
Built-in diagnostic output (ST) terminal
Low ON resistance R
DS(ON)
=350mΩ(Typ) (V
DD
=IN=5V,
Ta=25°C, I
OUT
=0.25A)
Built-in overvoltage protection(active clamp) for output
circuit
Monolithic power IC in which the control unit (CMOS)
and power MOS FET are incorporated into one chip
1ch low side switch for driving mechanical relay coil
(1)
AEC-Q100 Qualified
(1) Grade1
(BD1LB500EFJ-C BD1LB500FVM-C)
Specifications
Operating voltage range
ON resistance (25°C, Typ.)
Overcurrent limitation (Typ.)
Active clamp energy (25°C)
3.5V to 5.5V
350mΩ
1.50A
25mJ
Package
HTSOP-J8
MSOP8
4.90mm x 6.00mm x 1.00mm
2.90mm x 4.00mm x 0.90mm
Overview
BD1LB500 Series is an in-vehicle 1ch low side switch.
This switch builds in the overcurrent limiting circuit,
thermal shutdown circuit, open load detection circuit and
under voltage lock out circuit. It also provides the
diagnostic output circuit when an abnormality is
detected.
Application
In-vehicle application (Air conditioners, body devices,
meters, etc.)
HTSOP-J8
MSOP8
Basic Application Circuit (Recommendation)
V
DD
VBAT
R
L
8
VDD
7
N.C.
Under voltage
lock out
Open load
detection
6
DRAIN
5
DRAIN
Overvoltage
protection
Logic
0.1µF
Rext
(2)
Over current
Limit
IN
ST
SOURCE (GND)
SOURCE
(GND)
1
2
10k
(3)
3
4
(2) When the open detection function is required, an external resistance must be added between DRAIN terminal and SOURCE terminal.
(3) It is necessary to detect unusual state(ST terminal is low) when VDD terminal is opened.
Product
configuration: Silicon monolithic integrated circuit
www.rohm.co.jp
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○The
product is not designed for radiation resistance.
1/16
TSZ02201-0G3G0BD00040-1-2
2015.04.01 Rev.006

BD1LB500 Related Products

BD1LB500 BD1LB500EFJ-C BD1LB500FVM-C
Description In-Vehicle 1ch Low Side Switch In-Vehicle 1ch Low Side Switch In-Vehicle 1ch Low Side Switch
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