FUEL GAUGE IC FOR NINTENDO SWITCH / SWITCH 2 MAX 17050

NINTENDO SWITCH BATTERY DETECTION CIRCUIT MAX17050 / +17050

A specialized battery detection integrated circuit (Fuel Gauge IC) MAX17050 (+17050) in a WLP-9 package, designed for Nintendo Switch consoles (V1, V2, OLED) and Nintendo Switch 2. The IC uses Maxim’s proprietary ModelGauge™ m3 algorithm, which continuously analyzes the cell’s voltage, current, temperature, and operating history.

Product Features:

• ModelGauge™ m3 algorithm – ensures precise determination of the state of charge (SOC) and the battery’s actual remaining capacity without the risk of losing accuracy as the cell ages.
• Comprehensive parameter diagnostics—simultaneous measurement of voltage, current, and temperature, as well as detection of whether the battery is physically connected or disconnected.
• Low power consumption – just 25 µA in active mode and less than 0.5 µA in sleep (Shutdown) mode, which eliminates the load on the battery.
• Event signaling (ALRT output)—automatically notifies the system when voltage, temperature, or desired SOC thresholds are exceeded, or when a cell is present.
• Integrated I²C bus filters – built-in anti-interference protection on the SDA/SCL lines ensures stable communication with the console system.

Technical Specifications:

• Brand / Manufacturer: Maxim Integrated / Analog Devices
• Model: MAX17050 / +17050
• Part Type: Battery Detection IC (Fuel Gauge IC)
• Compatibility: Nintendo Switch (V1, V2, OLED), Nintendo Switch 2
• Package: WLP-9 (9-bump, 0.4 mm pitch)
• Mounting Type: BGA / SMD
• Supply Voltage Range: 2.5 V – 4.5 V
• Voltage measurement range: 2.5 V – 4.98 V (resolution 0.625 mV, accuracy ±7.5 mV at 25°C)
• Current measurement: Resolution 1.5625 µV, gain error ±1%, offset error ±1.5 µV
• Communication interface: I²C (up to 400 kHz)
• Operating temperature range: −40°C to +85°C

Package contents:

1× MAX17050 / +17050 battery detection IC

Note: Mounting the component in the WLP-9 package requires advanced BGA micro-soldering skills (use of a hot-air station, microscope, and appropriate flux).