TLE7242-2G Datasheet, PDF (10/50 Pages) Infineon Technologies AG – 4 Channel Fixed Frequency Constant Current Control IC

3
Pin Configuration
3.1
Pin Assignment
TLE7242-2G
Pin Configuration
OUT 3
1
OUT 2
2
POS 3
3
NEG 3
4
NEG 2
5
POS 2
6
GND_A
7
V5A
8
POS 1
9
NEG 1
10
NEG 0
11
POS 0
12
OUT 1
13
OUT 0
14
28
FAULT
27
RESET_B
26
ENABLE
25
CS_B
24
SCK
23
V5D
22
CLK
21
GND_D
20
SO
19
V_SIGNAL
18
SI
17
TEST
16
PHASE_SYNC
15
BAT
Figure 8 Pin Configuration
3.2
Pin Definitions and Functions
Pin Symbol
1
OUT3
2
OUT2
3
POS3
4
NEG3
5
NEG2
6
POS2
7
GND_A
8
V5A
9
POS1
Data Sheet
I/O
Analog Function
/Digital
O
A
Gate driver output for channel #3. Connect to the gate of the
external MOSFET.
O
A
Gate driver output for channel #2. Connect to the gate of the
external MOSFET.
I
A
Channel #3 Positive sense pin. Connect to the "load" side of the
external sense resistor.
I
A
Channel #3 Negative sense pin. Connect to the "FET" side of the
external sense resistor.
I
A
Channel #2 Negative sense pin. Connect to the "FET" side of the
external sense resistor.
I
A
Channel #2 Positive sense pin. Connect to the "load" side of the
external sense resistor.
-
-
Analog Ground
-
-
5V supply pin for analog. An external capacitor is to be connected
between this pin and GND_A near this pin.
I
A
Channel #1 Positive sense pin. Connect to the "load" side of the
external sense resistor.
10
Rev. 1.0, 2008-07-09