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TP4333 1A Synchronous Mobile Power Solution IC
Power Management ICs

TP4333 1A Synchronous Mobile Power Solution IC

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$13 $7

TheTP4333 from TPOWER is an integrated power management IC designed for mobile power applications. It combines charge management, synchronous boost (discharge) control, status indication, and multiple safety features in a single SOP-8 package. Its ideal for power banks and other...

TheTP4333 from TPOWER is an integrated power management IC designed for mobile power applications. It combines charge management, synchronous boost (discharge) control, status indication, and multiple safety features in a single SOP-8 package. Its ideal for power banks and other systems that require efficient 5V output, battery charging, and protection in a single chip.

Features

  • Discharge (boost) output: 5V / 1A
  • Charge current fixed at 0.8A
  • Boost (output) efficiency up to 93%
  • BAT discharge termination voltage: 2.85V
  • Optional full charge voltage: 4.2V or 4.35V
  • Temperature feedback control (e.g. over-temperature protection, reduces current when chip’s internal temp ~120 C)
  • Trickle charge mode when battery voltage is low (before ~2.9V)
  • Load detection and auto low-power standby when no load present after delay (~18s)
  • LED indication: charging, discharging, low battery alarms etc.
  • Flashlight output support (LED drive) via a switch pin; max ~50 mA drive current

Applications

  • Power bank / portable charger designs
  • Battery-powered mobile devices
  • Sustainable 5V USB output modules
  • Systems needing integrated protection (overcharge, overdischarge, short-circuit)
  • Emergency flashlight / LED indicator functions

Specification

Parameter Typical / Range
Input Voltage (VDD) 4.5 V to 5.5 V
Charging Voltage Options (BAT full-charge) 4.2 V or 4.35 V
Trickle Charge Threshold 2.9 V BAT voltage
Charge Current (Constant Current Mode) 0.8 A
Output (Boost) Current 1 A
Efficiency Up to ~93% in boost mode
Low Battery Shutdown / Termination 2.85 V
Standby Current ~ 50-80 A (BAT pin, standby)
Operating Temperature 20 C to +85 C (junction range is wider)
Package SOP-8

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