Part Number: TPS55289
Other Parts Discussed in Thread: INA236
Tool/software:
PPS For QA station. (The devices being tested may have short circuit defects, etc.)
The device have input supercap.
V Input: 12V - 2A.
V out :2-5V - from 50uA up to 2A.
Mode: Constant Voltage plus Current Limit (about 1.3A).
Control: MCU via I2C
Schematic/Layout Check + "Mode Pin' is connected right?
Layout 4 layers. Bottom VIN and VOUT. In1 - GNG
L1 - IHLP4040DZER4R7M01
U3 - TPS55289RYQR
U4 - INA236 current meter from 50uA to 1.3A resolution 10uA
R16 - About 70 milliohm.
Best Regards.
With thanks Vladislav.
