ETA3000S2G

The ETA3000S2G is a dual-cell power bank IC from ETA Semiconductor, designed for high-efficiency battery charging and discharging. Key features include:
- Dual-cell support (2S Li-ion/LiPo) with 4A charging/6A discharging capability.
- High integration (built-in MOSFETs, ADC, and protection circuits).
- USB PD 3.0/QC 3.0 compatibility for fast charging.
- Low standby power (<10μA) and >93% peak efficiency.
- Comprehensive protections (OVP, OCP, OTP, etc.).
Ideal for portable power banks, drones, and handheld devices, it simplifies design while ensuring reliable, fast-charging performance.

The ETA3000S2G is a 2-cell Li-ion battery protection IC. Equivalent alternatives include:
- TI BQ29700 (Similar 2-cell protection)
- SII S-8254AA (2-cell protector with balancing)
- ABLIC S-8261 (2-cell protection IC)
- ON Semiconductor LC05111CMT
These chips offer overcharge, over-discharge, and short-circuit protection. Verify pin compatibility and specs for your application.

The ETA3000S2G is a high-efficiency, synchronous buck-boost converter with the following key features:
- Wide Input Voltage Range: 2.7V to 5.5V, suitable for single-cell Li-ion/Li-polymer batteries.
- Adjustable Output Voltage: 2.5V to 5.5V (up to 3A output current).
- Buck-Boost Operation: Seamlessly transitions between modes for stable output.
- High Efficiency (up to 96%): Optimized for low-power applications.
- Low Quiescent Current (15µA): Extends battery life in standby.
- Programmable Switching Frequency (1MHz/2.5MHz): Reduces external component size.
- Integrated Protection: Overcurrent, overvoltage, and thermal shutdown.
- Compact Package: 2mm × 3mm DFN-10, ideal for space-constrained designs.
Ideal for wearables, IoT devices, and portable electronics.

The ETA3000S2G is manufactured by ETA Semiconductor, a Chinese company specializing in power management ICs. Founded in 2018 and headquartered in Hangzhou, ETA Semiconductor focuses on high-efficiency, compact power solutions for consumer electronics, industrial applications, and automotive systems. The ETA3000S2G is a bidirectional active-balancing IC for battery management, reflecting the company's expertise in energy-efficient technologies. ETA Semiconductor is known for innovation in power semiconductors and competes with global players in the BMS (Battery Management System) market.

The ETA3000S2G is a DFN-10 (3x3mm) package type. It's a compact, surface-mount dual-channel power switch IC designed for space-constrained applications. The DFN (Dual Flat No-Lead) package offers efficient thermal performance and a small footprint, making it suitable for portable and battery-powered devices.