LTC4150 Coulomb Counter Violence Battery Power Charge Current Detection Sensor Module

Category : Electronic Components & Supplies | Active Components

USD 15.04USD 20.33

LTC4150 Coulomb Counter Violence Battery Power Charge Current Detection Sensor Module

Description
Specification

Description

Note: Do not touch the white part of the sensor and it is easy to damage.

Product Features

The amount of charge is the integral of the time of the current, and the LTC4150 measures battery consumption and charging in handheld PC and portable product applications. The device monitors the current flowing through an external sense resistor located between the positive terminal of the battery and the battery load or charger. Thus, the voltage across the sense resistor is obtained, and then the signal is integrated into multiple stages to infer the power. The device interrupt pin is pulsed, the frequency of the pulse is the detection voltage, and the number of pulse cycles is the Coulomb number. These pulses correspond to a fixed amount of charge flowing into or out of the battery and indicate that the battery is discharged or charged with polarity.

Product Parameters

Measured accumulated battery charge and discharge
Working temperature -40 ° C ~ 85 ° C
Voltage to frequency gain: 32.55
Undervoltage lockout output when power supply is less than 2.5V
Inductive voltage differential input (SENSE+-SENSE-) range: -50mV to 50mV

Pin Description

VIO: The default power supply is 5V, short-circuit SJ2 and SJ3 and use 3.3V power supply;
The SJ1 pad is shorted by default, and the device automatically clears the interrupt; when disconnected, an external input signal is required to clear the interrupt;
+OUT: SENSE+ load supply terminal, battery charge input terminal, and sense current positive input terminal;
+IN: SENSE-inductive current negative input and positive terminal of the tested battery power supply;
SHDN: Digital stop input, active low;
POL: The battery current polarity indicates the output. When it is high, the current flows into the battery.
When it is low level, current flows out from the battery.