1 Features
• Two banks of one-time programmable memory for
programming default voltages and sequence
• Wide VIN range from 5.6V to 21V
• Three variable-output voltage synchronous
step-down controllers with D-CAP2™ Topology
– Scalable output current using external fets with
selectable current limit
– I2C DVS control from 0.41V to 1.67V in
10mV steps or 1V to 3.575V in 25mV steps or
Fixed 5V output
• Three variable-output voltage synchronous stepdown
converters with dcs-control topology
– VIN range from 3V to 5.5V
– Up to 3 A of output current
– I2C DVS control from 0.425V to 3.575V in
25mV steps
• Three LDO regulators with adjustable output
voltage
– LDOA1: I2C-selectable voltage from 1.35V to
3.3V for up to 200mA of output current
– LDOA2 and LDOA3: I2C-selectable voltage
from 0.7V to 1.5V for up to 600mA of output
current each
• VTT LDO for DDR memory termination
• Three load switches with slew rate control
– Up to 300mA of output current with voltage
drop less than 1.5% of nominal input voltage
– RDSON < 96mΩ at input voltage of 1.8V
• 5V fixed-output voltage LDO (LDO5)
– Power supply for gate drivers of SMPS and for
LDOA1
– Automatic switch to external 5V buck for higher
efficiency
• Built-in flexibility and configurability by OTP
programming
– Six GPI pins configurable to enable (CTL1 to
CTL6) or sleep mode entry (CTL3 and CTL6) of
any selected rails
– Four GPO pins configurable to power good of
any selected rails
– Open-drain interrupt output pin
• I2C interface supports standard mode (100kHz),
fast mode (400kHz), and fast mode plus (1MHz)

2 Applications
• Programmable logic controller
• Machine vision camera
• Video surveillance
• Test and measurement
• Embedded PCs
• Motion control

3 Description
The TPS650861 device family is a single-chip powermanagement
IC (PMIC) designed to be programmed
for optimal output voltages and sequencing. The
TPS650861 has three controllers to provide flexible
power capable of up to 30A with large external FETs
for high power designs but which can scale down
in both size and cost for smaller designs. Combined
with three 3A converters, three general purpose
LDOs, a termination LDO for DDR, and three load
switches, the TPS650861 can provide system power
for a wide variety of applications. The D-CAP2™
and DCS-Control high-frequency voltage regulators
use small passives to achieve a small solution
size. The D-CAP2 and DCS-Control topologies have
excellent transient response performance, ideal for
processor core and system memory rails that have
fast load switching. The device has two banks of
one-time programmable (OTP) memory. For large
volume opportunities, please contact a local TI
sales representative to determine if use of TI's
manufacturing for a custom OTP is available. Third
party distributors may also support programming of
the TPS650861.