D a t a S h e e t , R e v. 1 . 0 , M ar c h 2 00 8
B TS 43 00 S G A
Smart High-Side Power Switch
A u to m o t i v e P o w e r
BTS 4300SGA
1
2
3
3.1
3.2
3.3
4
4.1
4.2
4.3
5
5.1
5.2
5.3
5.4
6
6.1
6.2
6.3
6.4
6.5
7
7.1
7.2
7.2.1
7.2.2
7.3
8
8.1
8.2
9
9.1
10
11
Overview
3
Block Diagram
5
Pin Configuration
6
Pin Assignment 6
Pin Definitions and Functions 6
Voltage and Current Definition 7
General Product Characteristics
8
Absolute Maximum Ratings 8
Functional Range 9
Thermal Resistance 9
Power Stage
10
Output ON-State Resistance 10
Turn ON / OFF Characteristics 10
Inductive Output Clamp 11
Electrical Characteristics Power Stage 12
Protection Mechanisms
13
Undervoltage Protection 13
Overvoltage Protection 13
Reverse Polarity Protection 14
Overload Protection 14
Electrical Characteristics Protection Functions 16
Diagnostic Mechanism
17
ST Pin 17
ST Signal in Case of Failures 17
Diagnostic in Open Load, Channel OFF 17
ST Signal in case of Over Temperature 19
Electrical Characteristics Diagnostic Functions 20
Input Pin
21
Input Circuitry 21
Electrical Characteristics 21
Application Information
22
Further Application Information 22
Package Outlines
23
Revision History
24
Datasheet
2
1.0, 2007-19-12
Smart High-Side Power Switch
BTS4300SGA
1
•
•
•
•
•
•
•
•
•
•
Overview
Fit for 12V application
One Channel device
Very Low Stand-by Current
CMOS Compatible Inputs
Electrostatic Discharge Protection (ESD)
Optimized Electromagnetic Compatibility
Logic ground independent from load ground
Very low leakage current from OUT to the load in OFF state
Green Product (RoHS compliant)
AEC Qualified
Basic Features
PG-DSO-8-24
Description
The BTS4300SGA is a single channel Smart High-Side Power Switch. It is embedded in a PG-DSO-8-24 package,
providing protective functions and diagnostics. The power transistor is built by a N-channel power MOSFET with
charge pump. The device is monolithically integrated in Smart technology. It is specially designed to drive Relay
or LED in the harsh automotive environment.
Table 1
Parameter
Electrical Parameters (short form)
Symbol
Value
5V .... 34V
41V
600mΩ
0.4A
0.4A
26µA
32V
Operating voltage range
Over voltage protection
Maximum ON State resistance at T
j
= 150°C
Nominal load current
Minimum current limitation
Standby current for the whole device with load
Maximum reverse battery voltage
Diagnostic Feature
•
•
Open drain diagnostic output
Open load detection in OFF state
V
SOP
V
S (AZ)
R
DS(ON)
I
L (nom)
I
L_SCR
I
S(off)
-
V
s(REV)
Type
BTS4300SGA
Data Sheet
Package
PG-DSO-8-24
3
Marking
4300SGA
Rev. 1.0, 2008-03-18
BTS4300SGA
Overview
Protection Functions
•
•
•
•
•
•
•
Short circuit protection
Overload protection
Current limitation
Thermal shutdown with restart
Overvoltage protection (including load dump)
Loss of ground and loss of battery protection
Electrostatic discharge protection (ESD)
Application
•
All types of relays, resistive and capacitive loads
Data Sheet
4
Rev. 1.0, 2008-03-18
BTS4300SGA
Block Diagram
2
Block Diagram
V
S
internal
power
supply
voltage sensor
over
temperature
driver
logic
ESD
protection
ST
gate control
&
charge pump
T
clamp for
inductive load
over current
switch off
OUT
open load detection
IN
GND
Block diagram.emf
Figure 1
Block diagram for the BTS4300SGA
Data Sheet
5
Rev. 1.0, 2008-03-18