Document
BTS41k0S-ME-N
Smart High-Side NMOS-Power Switch
Datasheet
Rev 1.1, 2012-05-08
Automotive Power
BTS41k0S-ME-N
Table of Contents
Table of Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Block Diagram and Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 General Product Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2 Functional Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.3 Thermal Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Typical Performance Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.1 Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.2 Special features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.3 Typical Application Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7.4 Protection behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 8 Package outlines and footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 9 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Datasheet
2 Rev 1.1, 2012-05-08
Smart High-Side NMOS-Power Switch
BTS41k0S-ME-N
1 Overview
Features
• Current controlled input • Capable of driving all kind of loads (inductive, capacitive and resitive) • Negative voltage clamped at output with inductive loads • Current limitation • Very low standby current • Thermal shutdown with restart • Overload protection • Short circuit protection • Overvoltage protection (including load dump) • Reverse battery protection • Loss of GND and loss of Vbb protection • ESD-Protection • Improved electromagnetic compatibility (EMC) • Green Product (RoHS compliant) • AEC Qualified
PG-SOT223-4
Description
The BTS41k0S-ME-N is a protected 1 Ω single channel Smart High-Side NMOS-Power Switch in a PG-SOT2234 package with charge pump and current controlled input, monolithically integrated in a smart power technology.
Product Summary
Overvoltage protection VS(AZ) = min.62V Operating voltage range 4,9V < VS < 45V On-state resistance RON typ 1Ω Operating Temperature range Tj = -40°C to 150°C
Application
• All types of resistive, inductive and capacitive loads in automotive applications • Current controlled power switch for 12V, 24V and 45V DC automotive and industrial applications • Driver for electromagnetic relays • Signal amplifier
Type BTS41k0S-ME-N
Datasheet
Package PG-SOT223-4
3
Marking 41k0SN
Rev 1.1, 2012-05-08
2 Block Diagram and Terms
BTS41k0S-ME-N
Block Diagram and Terms
BTS41k0S-ME-N
2, 4 VS
Control Circuit
RIN
Temperature Sensor
1 IN
OUT 3
Figure 1 Block diagram
Voltage- and Current-Definitions:
BTS41k0S-ME-N
2, 4 VS
IS
Control Circuit
RIN
Temperature Sensor
1 IN
IIN
OUT 3
IL
RL VOUT
VIN
GND
VS VON
Switching Times and Slew Rate Definitions:
IIN
0
VOUT
IIN(ON)
+VS
90%
IIN(OFF )
t
VDS
0
IL
dV/tON
tON
70%
dV/tOFF
40% 30%
10%
tOFF
t
0
OFF
ON OFF t
Figure 2 Terms - parameter definition Datasheet
4
Rev 1.1, 2012-05-08
3 Pin Configuration
3.1 Pin Assignment
4
BTS41k0S-ME-N
Pin Configuration
12 Figure 3 Pin configuration top view, PG-SOT223-4
3
3.2 Pin Definitions and Functions
Pin Symbol Function
1 IN Input, activates the power switch in case of connection to GND.