The TPS9104 by Texas Instruments is a CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY/AUDIO SYSTEM. Below is the official datasheet preview.
| Part number | TPS9104 |
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| Manufacturer | Texas Instruments |
| File Size | 558.00 KB |
| Description | CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY/AUDIO SYSTEM |
| Datasheet |
 TPS9104-etcTI.pdf
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NC No internal connection The TPS9104 incorporates a complete power supply and audio power system for a cellular subscriber terminal that uses battery packs with three or four NiMH/NiCd cells or a single lithium-ion cell.The device includes three low-dropout linear regulators rated for 3.3 V or 3 V at 100 mA each, a charge-pump driver, two power amplifiers for a speaker and a ringer, a low-noise microphone amplifier, and logic that includes a 250-ms reset, on/off control, and processo
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