The MAX14657/MAX14658/MAX14659 are next-generation dual-channel USB 2.0 host-charger adapter emulators that combine USB Hi-Speed analog switches with a USB adapter emulator circuit.
The MAX14657 features an I2C interface to fully configure the charging behavior with different address options. The MAX14658/MAX14659 are controlled by two GPIO inputs (CB1_/CB0_) and support USB data and automatic charger mode. In charging downstream port (CDP) mode, the devices emulate the CDP function while supporting normal USB traffic. The MAX14657/MAX14658 have a CEN_ output for an active-high CLS enable input, and the MAX14659 has an active-low CEN_ output for an active-low CLS enable input to restart the peripheral connected to the USB host.
The MAX14658/MAX14659 feature 2A high-current autodetect mode. The MAX14657 can be configured through I2C to support various dedicated charger modes such as Apple 1A/2A forced, or Apple or Samsung 1A/2A autodetect modes.
The MAX14657/MAX14658/MAX14659 support CDP and standard downstream port (SDP) charging while in the active state (S0), and support the dedicated charging port (DCP) charging while in the standby state (S3/S4/S5). All of the devices support low-speed remote wake-up by monitoring DM_, and also support remote wakeup in sleep mode (S3).
The MAX14657/MAX14658/MAX14659 are available in a 16-pin (3mm x 3mm) TQFN-EP package and are specified over the -40°C to +85°C extended temperature range.
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