TC54 Data Sheet
• Wide Operating Voltage Range: 0.7V to 10V Applications: • Battery Voltage Monitoring • Microprocessor Reset • System Brown-Out Protection • Switching Circuit in
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6 FAQs about [Battery voltage detection chip]
What is a voltage detector?
These voltage detectors are especially suited for application in battery powered systems because of their extremely low 1μA operating current. Each part is laser programmed to the desired trip point voltage over the range of 1.1V to 6.0V in 100mV steps. For complete design flexibility, complementary or open-drain output versions are available.
How can a new current detection method improve battery management system?
A new current detection method is designed to replace the external resistance sensor, which reduces the space overhead and cost of the battery management system. Compared with the conventional battery management chip, the proposed chip significantly improves the application density.
What is a microchip tc54 voltage detector?
Using the Microchip TC54 Voltage Detector Microchip's TC54 series of voltage detectors are designed to supersede a variety of discrete comparator circuits and bipolar technology voltage detectors. These voltage detectors are especially suited for application in battery powered systems because of their extremely low 1μA operating current.
What are the components of a battery management chip?
The chip mainly includes a bandgap reference, overvoltage detection (OVD) and undervoltage detection (UVD) circuits, discharging and charging overcurrent detection (COCD) circuits, an oscillator, and a timing circuit. Fig. 2. Diagram of a traditional battery management chip.
Does a battery management chip have a smaller charging current and quiescent current?
The proposed battery management chip had smaller charging current and quiescent current than the charging ICs. In Ref. [ 23 ], it integrated two NMOS and used the integrated NMOS as the current sampling resistor. Therefore, the values of charging and discharging overcurrent will change with the battery voltage.
How much power does a battery management chip consume?
Fig. 14 illustrates a summary of the power consumption of the battery management chip. The battery management chip consumes 0.838 μA of quiescent current, and its power down current is less than 10 nA. The two current detection circuits and bandgap circuits consume almost more than half of the power.