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BQ4845S-A4NTR from TI,Texas Instruments

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15.625ms

BQ4845S-A4NTR

Manufacturer: TI

RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning

Partnumber Manufacturer Quantity Availability
BQ4845S-A4NTR,BQ4845SA4NTR TI 765 In Stock

Description and Introduction

RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning The part BQ4845S-A4NTR is a real-time clock (RTC) module manufactured by Texas Instruments (TI). Below are the key specifications from Ic-phoenix technical data files:

1. **Function**: Real-time clock (RTC) with battery backup.
2. **Interface**: Serial (I2C).
3. **Operating Voltage**: 2.7V to 5.5V.
4. **Backup Battery Voltage**: 2.0V to 3.5V (supports lithium or supercapacitor).
5. **Timekeeping Accuracy**: ±1 minute per month at 25°C.
6. **Operating Temperature Range**: -40°C to +85°C.
7. **Package**: 8-pin SOIC (150mil).
8. **Features**: 
   - Integrated crystal oscillator.
   - Automatic leap-year compensation.
   - Programmable alarm and watchdog timer.
   - Low power consumption in backup mode.
9. **Applications**: Embedded systems, industrial controls, data loggers, and other battery-backed timing applications.

This information is based on TI's official documentation for the BQ4845S-A4NTR.

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