The MAX17048G+T10 is a part number from Analog Devices (formerly Maxim Integrated), a company known for its analog and mixed-signal semiconductor products. The MAX17048G+T10 is a fuel gauge IC that uses the ModelGauge algorithm for accurate state-of-charge (SOC) measurements.
Pin Function Specifications:
The MAX17048G+T10 typically comes in a TDFN-10 (3x3mm) package, with 10 pins. Here's a detailed explanation of each pin:
Pin Number Pin Name Pin Function 1 VSTBY Standby Power input. Provides power to the IC in low-power standby mode. 2 VCC Power supply input. This is the main power supply for the chip, typically connected to the system's battery voltage. 3 GND Ground pin. Connect this to the system's ground to complete the circuit. 4 SDA I2C Data line. This is the bidirectional data line used for communication in I2C mode. 5 SCL I2C Clock line. This is the clock signal used for synchronization in I2C communication. 6 ALERT Alert output. This pin is used to signal the host when certain thresholds (e.g., battery level) are exceeded. 7 CHG Charge status pin. It indicates whether the battery is currently being charged. 8 FUELG Fuel Gauge output. Provides the state-of-charge (SOC) information. 9 TS Temperature sensor input. Connect this pin to a temperature sensor for monitoring battery temperature. 10 NC No connection. This pin is not internally connected and should be left floating.Circuit Principle:
The MAX17048G+T10 is a fuel gauge IC that measures the battery's state of charge (SOC). It communicates with a microcontroller via an I2C interface . The IC uses the ModelGauge™ algorithm to estimate SOC, and it can also estimate battery health, capacity, and other parameters. The main function of the IC is to monitor the voltage and current of the battery and provide accurate readings of the remaining battery life. The IC works with a wide input voltage range, making it suitable for various battery-operated devices.
The alert pin allows the IC to notify the system if certain thresholds (e.g., low battery) are reached. Temperature monitoring is also possible via the TS pin, which connects to a temperature sensor.
FAQ on MAX17048G+T10:
What is the MAX17048G+T10? The MAX17048G+T10 is a fuel gauge IC from Analog Devices used to monitor the state-of-charge (SOC) of a battery.
What communication protocol does the MAX17048G+T10 use? The MAX17048G+T10 uses the I2C communication protocol for data exchange between the IC and a microcontroller.
What is the voltage range for the MAX17048G+T10? The MAX17048G+T10 operates within a voltage range of 1.8V to 3.6V.
What is the maximum current that can be monitored by the MAX17048G+T10? The MAX17048G+T10 can monitor the current passing through the battery, but it requires an external sense resistor for accurate current measurement.
How does the alert pin function in the MAX17048G+T10? The ALERT pin is used to signal the system when certain thresholds are exceeded, such as a low battery or other critical conditions.
What is the purpose of the FUELG pin in the MAX17048G+T10? The FUELG pin provides the state-of-charge (SOC) output, which indicates the battery's remaining charge.
Can the MAX17048G+T10 be used for multi-cell battery monitoring? No, the MAX17048G+T10 is designed for single-cell battery applications only.
What is the typical application for the MAX17048G+T10? The MAX17048G+T10 is typically used in portable battery-powered devices, such as smartphones, wearables, and wireless communication devices.
How does the MAX17048G+T10 estimate the battery's state-of-charge? The MAX17048G+T10 uses the ModelGauge™ algorithm, which takes into account the battery's voltage and other parameters to accurately estimate the SOC.
What is the maximum operating temperature for the MAX17048G+T10? The MAX17048G+T10 can operate within a temperature range of -40°C to +85°C.
How do I connect the TS pin of the MAX17048G+T10? The TS pin should be connected to a temperature sensor to monitor the battery temperature.
Can I use the MAX17048G+T10 with a non-rechargeable battery? No, the MAX17048G+T10 is designed for use with rechargeable batteries only.
Is the MAX17048G+T10 capable of overcharge protection? The MAX17048G+T10 does not have overcharge protection. It is solely a fuel gauge IC for estimating battery charge levels.
What is the function of the CHG pin? The CHG pin indicates whether the battery is being charged. It provides a status output to the system.
What is the maximum I2C clock speed supported by the MAX17048G+T10? The MAX17048G+T10 supports standard I2C speeds up to 400kHz.
What is the power consumption of the MAX17048G+T10? The power consumption is very low, typically in the microamp range during standby operation.
Can the MAX17048G+T10 be used without an external temperature sensor? Yes, the MAX17048G+T10 can operate without an external temperature sensor, but it will not provide temperature-based monitoring.
Does the MAX17048G+T10 support both 3.3V and 5V logic levels? Yes, the MAX17048G+T10 can work with both 3.3V and 5V logic levels on its I2C pins.
What is the physical size of the MAX17048G+T10? The MAX17048G+T10 is available in a 10-pin TDFN-3x3mm package.
How do I reset the MAX17048G+T10? The MAX17048G+T10 can be reset by toggling the power supply or issuing a software reset command via I2C.
If you have any more specific questions or need further clarification, feel free to ask!
