BTN 7971B Infineon Technologies, BTN 7971B Datasheet - Page 23

• Manufacturer Part Number: BTN 7971B
• Manufacturer: Infineon Technologies

Specifications of BTN 7971B

• Packages: PG-TO263-7
• Operating Range: 4.5 - 28.0 V
• Rds (on) (typ): 16.0 mOhm
• Id(lim): 70.0 A
• Iq (typ): 7.0 µA
• Diagnosis: OV, OT, OC-failure flag, current sense

6.3
Please note that, if the BTN7971B is used in a half-bridge configuration with the load connected between OUT
and GND and the supply voltage is exceeding the Overvoltage Switch-OFF level
“Overvoltage Lock
side switch, and therefore connecting the load to
also
It shall be insured that the power dissipated in the NovalithIC™ does not exceed the maximum ratings. For further
explanations see the application note “BTN79x0 Over Voltage (OV) Operation”.
Figure 15
Note: This is a simplified example of an application circuit. The function must be verified in the real application.
Data Sheet
“Truth Table” on Page
1kΩ
R
IS
I/O
XC866
Half-bridge Configuration Considerations
Application Example: Half-Bridge with a BTN7971B (Load to GND)
10kΩ
Microcontroller
R
IN
I/O
10kΩ
Out” feature leads to automatically turning on the high side switch, while turning off the low
R
INH
I/O
0..51k Ω
R
SR
Reset
20). This will lead to current flowing through the load, if not otherwise configured.
Vdd
Vss
I/O
22µF
C
Q
BTN7971B
INH
IS
IN
SR
High Current Half-Bridge
47nF
C
D
V
Voltage Regulator
S
; independently of the current IN- and INH-pin signals (see
WO
RO
Q
D
GND
OUT
23
VS
4278G
GND
TLE
C
470nF
Sc
I
M
470µF
High Current PN Half Bridge
C
S
Reverse Polarity
10V
D
1kΩ
Z 1
R
1
V
Protection
Application Information
OV(OFF)
100P03P3L-
Rev. 2.0, 2008-06-27
, the implemented
IPB
04
BTN7971B
V
S