20-100pcs LTC4054 LTH7 SOT23-5 LTC4054ES5-4.2 SOT23 TP4054 PL4054 SMD Lithium Battery Charging Chip – New Original
Product Overview
This premium SOT-23-5 packaged lithium‑ion battery charger delivers reliable, high‑efficiency charging for single‑cell Li‑ion and Li‑polymer batteries. Ideal for smartphones, wearables, drones, and IoT devices, the LTC4054 series offers a compact solution with built‑in safety features and low power consumption.
Key Features
- Integrated constant‑current/constant‑voltage (CC/CV) charging algorithm
- Low quiescent current – < 5 µA for standby mode
- Supports 3.6 V to 4.2 V Li‑ion / Li‑polymer cells
- Automatic protection against over‑charge, over‑discharge, and short‑circuit
- Operating temperature range: –40 °C to +85 °C
- Small SOT‑23‑5 footprint – 0.95 mm × 0.95 mm × 0.5 mm
- Easy integration with a single 5 V USB or 3.3 V DC input
- High conversion efficiency up to 94%
- Available in bulk: 20‑100 pieces per order
Why Choose This Charging Chip?
Designed for high reliability, the LTC4054 series ensures safe and efficient charging while keeping power consumption to a minimum. Its small SMD package fits effortlessly into tight spaces, making it perfect for compact consumer electronics and embedded systems.
Applications
- Smartphones, tablets, and portable media players
- Wearable devices (fitness trackers, smartwatches)
- Battery‑powered sensors and IoT modules
- RC drones, electric toys, and small robotics
- Medical and industrial handheld equipment
Package & Shipping
Each order contains 20 to 100 individually plated, surface‑mount chips in a secure, anti‑static packaging. Fast, reliable shipping is guaranteed, with optional expedited delivery for urgent projects.
Technical Specifications
• Device: LTC4054 / LTH7 / TP4054 / PL4054
• Package: SOT‑23‑5 (SMD)
• Input Voltage: 3.5 V – 5.5 V
• Output Voltage: 4.2 V (Li‑ion) / 4.0 V (Li‑polymer)
• Output Current: 500 mA (typical)
• Quiescent Current: < 5 µA
• Operating Temperature: –40 °C to +85 °C
Price: Original price was: $ 2.38.$ 1.19Current price is: $ 1.19.

