UPI Semiconductor today announced the launch of the TCP8250 , a highly integrated 1-cell lithium-ion/lithium-polymer battery protection integrated circuit (IC) designed to provide precise over-charge, over-discharge, and over-current protection with exceptionally low quiescent power consumption. Optimized for compact and portable devices, the TCP8250 enhances battery safety, extends cell lifetime, and supports reliable operation in both consumer and industrial applications. Equipped with high-accuracy detection circuits, ultra-low leakage design, and optional 0V charging capability, the TCP8250 is ideal for next-generation wearable devices, true wireless earphones, portable IoT sensors, and battery-powered accessories that require stringent safety and extended standby performance. Key Features: High-Precision Voltage Detection Over-charge Detection Voltage: 4.400 V to 4.900 V (5 mV steps) Accuracy: ±15 mV Over-charge Release Voltage: 4.200 V to 4.900 V Accuracy: ±50 mV Over-discharge Detection Voltage: 2.000 V to 3.000 V (10 mV steps) Accuracy: ±50 mV Over-discharge Release Voltage: 2.000 V to 3.400 V Accuracy: ±75 mV Comprehensive Current Protection Discharge Over-current 1: 5 mV to 100 mV (0.5 mV steps), ±1.0 mV accuracy Discharge Over-current 2: 10 mV to 100 mV (1 mV steps), ±3 mV accuracy Short-Circuit Detection: 20 mV to 100 mV (1 mV steps), ±5 mV accuracy Charge Over-current Detection: −100 mV to −5 mV (0.5 mV steps), ±1.0 mV accuracy Ultra-Low Power Consumption Ultra-low quiescent current protects battery life during long storage periods Ultra-low power-down current for minimal drain during shutdown states Integrated Internal Delay Timing No external RC components required Simplifies BOM and enhances detection stabilit Optional 0V Battery Charging Allows safe recovery and charging of deeply discharged batteries Ideal for wearables and devices prone to long-term storage Compact Package Options XDFN 1.4 × 1.4-6L UDFN 1.4 × 1.8-6L RoHS compliant and halogen-free Target Applications The TCP8250 is designed for high-volume and safety-critical consumer and IoT devices, including: True Wireless Stereo (TWS) earbuds & charging cases Wearable devices (smart bands, smartwatches) Portable IoT sensors and beacons Single-cell rechargeable battery packs Small battery-powered accessories Mobile medical and fitness devices Its ultra-low current consumption and compact packaging make it an excellent fit for next-generation miniaturized electronics. Package & Availability Offered in XDFN 1.4×1.4-6L and UDFN 1.4×1.8-6L packages Samples available now Production schedule available via uPI sales contacts Fully compliant with RoHS and eco-friendly requirements TCP8250 reflects uPI’s continued focus on delivering high-accuracy, low-power battery safety solutions for the fast-growing wearable and IoT markets. Its precise detection thresholds, versatile protection functions, and ultra-low quiescent current make it the ideal choice for compact single-cell battery applications.