This document introduces the characteristics of the MAX14550E USB host charger identification analog switch.
The MAX14550E is a USB Hi‑Speed analog switch that includes a host charger identification circuit, allowing USB hosts to detect dedicated chargers and Apple‑compliant devices. It supports the USB Battery Charging Specification Revision 1.0 and offers both internal and external resistor‑divider options for biasing.
The document provides full electrical characteristics, absolute maximum ratings, pin descriptions, typical operating curves, timing charts, and package information for the 10‑pin TDFN package. It is intended for designers integrating the device into laptops, netbooks, and cell phones.
| Supply Voltage (VCC) | 2.8 V – 5.5 V |
|---|---|
| On‑Capacitance | 4 pF typ |
| On‑Resistance | 4 Ω typ |
| Supply Current | 7 µA typ |
| ESD Protection | ±15 kV HBM on DP/DM |
| Package | 10‑pin TDFN, 3 mm × 3 mm |
| Operating Temperature Range | -40 °C to +85 °C |
| Digital Inputs | Two (CB0, CB1) |
It is a USB Hi‑Speed analog switch with a host charger identification circuit for detecting dedicated chargers and Apple‑compatible devices.
The device has two digital inputs, labeled CB0 and CB1.
The typical on‑capacitance is 4 pF.
It is supplied in a 10‑pin TDFN package measuring 3 mm × 3 mm.