TLE7231GXT Infineon Technologies, TLE7231GXT Datasheet - Page 11

• Manufacturer Part Number: TLE7231GXT
• Manufacturer: Infineon Technologies

Specifications of TLE7231GXT

• Switch Type: Low Side
• Power Switch Family: TLE7231G
• Input Voltage: -0.3 to 5.5V
• Power Switch On Resistance: 1Ohm
• Output Current: 320mA
• Number Of Outputs: 4
• Mounting: Surface Mount
• Supply Current: 5mA
• Package Type: DSO
• Operating Temperature (min): -40C
• Operating Temperature (max): 150C
• Operating Temperature Classification: Automotive
• Pin Count: 24
• Lead Free Status / RoHS Status: Compliant

5
The TLE7231G is supplied by two power supply lines
to be functional at a very wide voltage range. The analog power supply
Power-on reset functions have been implemented for both supply lines. After start-up of the power supply, all SPI
registers are reset to their default values and the device remains in idle mode. Capacitors at pins
V
A reset pin is available. At low logic level at this pin, all registers are set to their default values and the quiescent
supply currents are minimized.
The
related to this supply voltage. A capacitor between pins
To enable the Daisy chain functionality it is necessary to have
The device provides a sleep mode to minimize current consumption, which also resets the register banks. It is
controlled by a low active reset pin (RST) which disables the device and minimize the current consumption. The
table below gives an overview of the different power modes.
Table 2
Power mode State Description
SLEEP
IDLE
ON
1) low: pin input is digital low,
Datasheet
DDA
high: pin input is digital high,
X: pin state don’t care,
ON: voltage on this analog supply pin is in the specified functional range
V
- GND are recommended.
DD
supply line is used for the I/O buffer circuits of the SPI pins, therefore the voltage on the SO pin is always
Power Supply
Power modes
Device at minimum current consumption
Device operational, all channels OFF no
diagnosis activated
Device operational with enabled channels and
diagnostic currents active
1)
V
V
DD
11
DD
and
and GND is recommended (especially in case of EMI).
V
V
SPI Driver for Enhanced Relay Control
DDA
RESET
(low active)
low
high
high
DD
. The digital power supply line
and
V
V
DDA
DDA
in the specified functional range.
supports 5 V supply.
V
X
ON
ON
DD
V
X
ON
ON
SPIDER - TLE7231G
DDA
Rev. 1.0, 2008-02-28
SCLK
0 Hz
0 Hz
5 MHz
(max)
V
V
Power Supply
DD
DD
is designed
- GND and