USB Battery Charger Detectors

Active: In Production.

The MAX14578E/MAX14578AE are USB charger detectors compliant with USB Battery Charging Revision 1.1. The USB charger detection circuitry detects USB standard downstream ports (SDPs), USB charging downstream ports (CDPs), or dedicated charger ports (DCPs), and controls an external lithium-ion (Li+) battery charger.

The devices implement USB Battery Charging Revision 1.1-compliant detection logic including data contact detection, D+/D- short detection, charging downstream port identification, and optional USB dead battery charging support. Dead battery charging support features a 45 minutes (max) charge timer and weak battery voltage monitor controlled by I²C communication (MAX14578E only.) The MAX14578AE features an enable (EN) input and an LDO output.

In addition, the internal USB switch is compliant to hi-Speed USB, full-Speed USB, and low-Speed USB signals. The devices feature low on-resistance, low on-resistance flatness, and very low capacitance. The devices feature high-ESD protection up to ±15kV Human Body Model on the CD+ and CD- pins.

In addition, the MAX14578E/MAX14578AE feature Apple and Sony® charger detection that allows identification of resistor divider networks on D+/D-.

The MAX14578E/MAX14578AE are available in both a 12-bump, 0.4mm pitch, 1.3mm x 1.68mm WLP package and 16-pin TQFN package, and operate over the -40°C to +85°C extended temperature range

Download Rev 1 (PDF, 1.9MB) E-Mail

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