PMP10624: USB-C Supply, 5V, 9V, or 12V at 3A, 9 ~ 42V in

Summary

PMP10624 is a synchronous 4-switch buck-boost converter which utilizes the LM5175 controller for USB type C applications. The output voltage can be selected for 5V, 9V or 12V at 3A using jumpers or open drain control switches. The LM5175 average current loop sets a maximum output current of 4A.

The LM5175 is a synchronous four-switch buck-boost DC/DC controller capable of regulating the output voltage at, above, or below the input voltage. The LM5175 operates over a wide input voltage range of 3.5 V to 42 V (60 V maximum) to support a variety of applications.

The LM5175 employs current-mode control both in buck and boost modes of operation for superior load and line regulation. The switching frequency is programmed by an external resistor and can be synchronized to an external clock signal.

The device also features a programmable soft-start function and offers protection features including cycle-by-cycle current limiting, input undervoltage lockout (UVLO), output overvoltage protection (OVP), and thermal shutdown. In addition, the LM5175 features selectable Continuous Conduction Mode (CCM) or Discontinuous Conduction Mode (DCM) operation, optional average input or output current limiting, optional spread spectrum to reduce peak EMI, and optional hiccup mode protection in sustained overload conditions.

Specifications

Manufacturer Texas Instruments
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board -
Topology Step Up/Down
Outputs and Type 1 Non-Isolated
Output Voltage: Factory Set 5 V
9 V
12 V
Current Out 3 A
Voltage In 9 ~ 42 V
Efficiency @ Conditions >95%, 9V in, 12V @ 1 ~ 3 A
>95%, 16V in, 12V @ 1 ~ 3 A
>90%, 9V in, 5V @ 0.5 ~ 3 A
>90%, 16V in, 9V @ 0.5 ~ 3 A
>90%, 12V in, 9V @ 0.5 ~ 3 A
>90%, 12V in, 5V @ 1 ~ 3 A
Voltage Out Range - Fixed
Features Current Limit (Adj. or Fixed)
Light Load Mode
Over Current Protection
Over Voltage Protection
Power Good Output
Short Circuit Protection
Shutdown, Enable, Standby
Soft Start
Synchronizable
Under Voltage Protection, Brown-Out
Switching Frequency 100 ~ 600 kHz
Standby Current [Typical] 1.5 µA
Quiescent Current [Typical] 3.1 mA
Component Count + Extras 67 + 30
Internal Switch No
Design Author Texas Instruments
Application / Target Market Auxiliary Power Supply
Cellular Phone
Point of Load (PoL)
USB Powered Devices
Standby Current [Maximum] 10 µA
Quiescent Current [Maximum] 6.5 mA
Main I.C. Base Part LM2936
LM5175

Share This Design