btn7970 Infineon Technologies Corporation, btn7970 Datasheet - Page 23

• Manufacturer Part Number: btn7970
• Description: High Current Pn Half Bridge Novalithic?
• Manufacturer: Infineon Technologies Corporation

6.3
Please note that, if the BTN7970 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
Half-bridge Configuration Considerations
XC866
Application Example: Half-Bridge with a BTN7970 (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
20). This will lead to current flowing through the load, if not otherwise configured.
Reset
Vdd
Vss
I/O
22µF
C
Q
BTN7970
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
OV(OFF)
Application Information
100P03P3L-
Rev. 1.1, 2007-11-21
, the implemented
IPB
04
V
BTN7970
S