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Datasheet MAX8934GETI+ - Maxim CHARGER, BATT, W TEMP MNTR, 3.3 V, 20TQFN

Maxim MAX8934GETI+

Part Number: MAX8934GETI+

Manufacturer: Maxim

Description: CHARGER, BATT, W TEMP MNTR, 3.3 V, 20TQFN

data sheetDownload Data Sheet

19-5296; Rev 0; 6/10
Dual-Input Linear Charger, Smart Power Selector with Advanced Battery Temperature Monitoring
General Description
The MAX8934G dual-input Li+/Li-Poly linear battery charger with Smart Power SelectorK safely charges a single Li+/Li-Poly cell in accordance with JEITA* recommendations. The MAX8934G monitors the battery temperature (TBATT) while charging, and automatically adjusts the fast-charge current and charge termination voltage as the battery temperature varies. The MAX8934G also monitors the battery temperature while the battery is discharging, and provides a warning flag (OT) to the system in the event that the battery is over temperature. Safety region 2 is supported (see Figure 6 for details). An ultra-low IQ, always-on LDO provides an additional 3.3V supply for system power. The MAX8934G operates with either separate inputs for USB and AC adapter power, or from a single input that accepts both. All power switches for charging and switching the load between


  • Battery Charge Voltage: 4.35 V
  • Battery IC Case Style: TQFN
  • Battery Type: Li-Ion, Li-Polymer
  • Charge Current Max: 500 mA
  • MSL: MSL 1 - Unlimited
  • Number of Pins: 28
  • Number of Series Cells: 1
  • Operating Temperature Range: -40C to +85C
  • RoHS: Yes

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