ETA9640 Supplier Guide for Power Bank Designers

The ETA9640 is a highly integrated Power Management IC (PMIC) widely used in portable power banks, featuring a 5V/1A synchronous boost and a 1A linear charger in a single ESOP-8 package Eta-Semi Alldatasheet. I have identified several verified suppliers and analyzed current market trends to support your sourcing.

Key Technical Specs

* High Efficiency: Up to 96% efficiency in boost mode Eta-Semi.

* Low Standby Power: Quiescent current of 100µA significantly extends battery life compared to MCU solutions Eta-Semi.

* Integrated Safety: Features short-circuit protection and thermal shutdown at 150°C Eta-Semi.

Supplier Landscape

I have found multiple verified suppliers in Shenzhen, China, offering both original units and wholesale lots. Notable suppliers include:

* Shenzhen Sinosky Electronics: A 9-year verified supplier specializing in PMICs with high customization capabilities Alibaba.

* Shenzhen Orwintech: Large-scale distributor with significant annual revenue and 9 years of business history Alibaba.

Market Trends (2026 Outlook)

* Price Hikes: The semiconductor market is currently a "seller's market," with Analog and Power ICs seeing price increases of 15% to 85% due to mature node capacity constraints Utmel.

* AI Impact: Global wafer capacity is heavily prioritized for AI memory (HBM), causing supply gaps for standard power components Utmel.

* Material Costs: Surging raw material prices, particularly copper exceeding $10,000/ton, are directly inflating component production costs Utmel.

Detailed supplier lists and contact info are provided in the files below.