Datasheet

DCDC 1
DCDC 2
EN
SENSE 4 RESET 4
SVS 4
VIN
VDCDC1
SVS_EN4
VDCDC2
SVS_EN3
SENSE 3 RESET 3
SVS 3
LDO 1
EN
VLDO 1
SVS_EN2
SENSE 2 RESET 2
SVS 2
LDO 2
EN
VLDO 2
SVS_EN1
SENSE 1 RESET 1
SVS 1
LDO 3
EN
VLDO 3
TPS3860x0
TPS 65055
Description www.ti.com
1 Description
The TPS386000/40EVM provides the capabilities needed for supervising and sequencing four power
supplies including one negative power supply. The EVM also provides an I2C interface for use with the TI
USB-GPIO adapter.
The TPS386000/40 interfaces with the TPS65055 providing a sequenced power on and supervised setup
to demonstrate a typical application as shown in Figure 1.
Figure 1. Typical TPS386000/40EVM Power-on Sequence
The TPS386000/40EVM can also be configured to sequence and supervise an external power supply
system including one negative power supply.
1.1 Features
• General features
– On board local power supply used to demonstrate the sequencing and supervision capabilities of
the TPS3860x0.
– Single 5V EVM supply input
– 4 rail on EVM and external sequencing
– 4 analog supervisors including one negative supervisor
– USB interface for communication with on board TPS65055 power management unit.
• Orderable options
– TPS386000EVM 4 channel supervisor/sequencer with open drain RESET outputs
– TPS386040EVM 4 channel supervisor/sequencer with push-pull RESET outputs
2
Evaluation Module for TPS386000 and TPS386040 SLVU341–October 2009
Submit Documentation Feedback
Copyright © 2009, Texas Instruments Incorporated