BTS840S2NT Infineon Technologies, BTS840S2NT Datasheet - Page 2

• Manufacturer Part Number: BTS840S2NT
• Manufacturer: Infineon Technologies

Specifications of BTS840S2NT

• Switch Type: High Side
• Power Switch Family: BTS840
• Input Voltage: -10 to 16V
• Power Switch On Resistance: 14mOhm
• Output Current: 22A
• Number Of Outputs: Dual
• Mounting: Surface Mount
• Supply Current: 1.2mA
• Package Type: DSO
• Operating Temperature (min): -40C
• Operating Temperature (max): 150C
• Operating Temperature Classification: Automotive
• Pin Count: 20
• Power Dissipation: 3.8W
• Lead Free Status / Rohs Status: Not Compliant

Functional diagram
Infineon technologies
Pin Definitions and Functions
Pin
1,10,
11,12,
3
7
16,17,
18,19
12,13,
14,15
4
8
2
6
5
9
Heatslug V bb
GND1
GND2
ST1
ST2
IN1
IS1
IN2
IS2
ST1
ST2
IS1
IS2
Symbol
V
IN1
IN2
OUT1
OUT2
GND1
GND2
bb
voltage supply
overvoltage
ESD
protection
internal
Function
Positive power supply voltage. For high
Input 1,2, activates channel 1,2 in case of
Output 1,2, protected high-side power output
Diagnostic feedback 1,2 of channel 1,2
Ground 1,2 of chip channel 1,2
Sense current output 1,2; proportional to the
Positiv powersupply voltage. Good way to
current applications the heat slug should be
used as Vbb connection.
logic high signal
of channel 1,2. All pins of each output have to
be connected in parallel for operation
according ths spec (e.g. k ilis ). Design the
wiring for the max. short circuit current
open drain, invers to input level
load current, zero in the case of current
limitation of the load current
design a very low thermal resistance.
logic
Control and protection circuit
temperature
Open load
detection
Current
control
charge
sensor
pump
sense
gate
channel 2
+
2
of
inductive load
current limit
clamp for
GND1 2
GND2 6
Pin configuration
(top view)
ST1 4
ST2 8
V
IN1 3
IN2 7
V
IS1 5
IS2 9
bb
bb
GND1
1
10
Channel 1
PROFET
Heat slug
R
V bb
O1
BTS 840 S2
2003-Oct-01
OUT1
20 V
19 OUT1
18 OUT1
17 OUT1
16 OUT1
15 OUT2
14 OUT2
13 OUT2
12 OUT2
11 V
OUT2
VBB
LOAD
bb
bb