Linear Battery Charger with Multi-Chemistry Operation

Linear Technology Corp. recently introduced the LTC4079, which is a 60-V, constant-current/constant-voltage, 250-mA multi-chemistry battery charger. According to Linear, its “low quiescent current linear topology offers a simple inductorless design and accepts a wide 2.7 V to 60 V input voltage range.”

The LTC4079’s features, characteristics, and capabilities include:

• A resistor-programmable 1.2- to 60-V battery charge voltage range with ±0.5% charge voltage accuracy
• Adjustable charge current from 10 to 250 mA with an external resistor
• A low-profile (0.75 mm) 10-pin 3 mm x 3 mm DFN package with backside metal pad for excellent thermal performance.
• Guaranteed foperation from –40°C to 125°C in both E-and I-grades.
• One thousand-piece pricing starts at $2.35 each for the E-grade.

Source: Linear Technology

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