Diodes Incorporated AP2815AMMTR-G1-02

Overview

AP2815AMMTR-G1 from BCD Semiconductor is a 1.5A high-side power distribution switch with integrated N-channel MOSFET (R_DS(ON) = 60 mΩ @ 5 V), enable control, deglitched open-drain FLAG output, and full protection suite including over-current fold-back, thermal shutdown, UVLO, and soft-start. It operates from 2.7 V to 5.5 V and is designed for USB-compliant hot-plug power switching in notebook motherboards and self-powered hubs.

For engineers reviewing the AP2815AMMTR-G1 datasheet, AP2815AMMTR-G1 pinout, AP2815AMMTR-G1 application, or AP2815AMMTR-G1 equivalent, this device supports precise current-limited load switching with fault reporting, low quiescent supply current (65 µA), and MSOP-8 packaging for space-constrained USB power rails.

Technical Context

The AP2815AMMTR-G1 implements a charge-pump–driven high-side N-MOSFET switch with active current limiting (1.65–2.8 A) and fold-back short-circuit response. Its UVLO threshold (2.2–2.7 V) ensures reliable turn-on only above valid input voltage, while the deglitched FLAG pin provides robust fault signaling with 5–15 ms delay during over-current events.

Soft-start limits inrush current via controlled gate ramping; reverse-current blocking prevents backfeed when disabled; and the logic-level enable pin supports both active-high and active-low configurations (this variant is Active High with Auto Discharge per ordering code "A"). Thermal shutdown triggers at 150 °C with 30 °C hysteresis.

Key Specifications

Pinout & Package

AP2815AMMTR-G1 is housed in an MSOP-8 package (3.1 mm × 4.7 mm, 0.65 mm pitch), optimized for compact USB power rail layouts.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-side power switch applications.

Compared with TPS2051BDBVR and NIS5132MN3T1G, AP2815AMMTR-G1 uniquely integrates UVLO, auto-discharge, and deglitched FLAG in MSOP-8-enabling fully autonomous, standards-compliant USB power switching without external support components.

Availability

AP2815AMMTR-G1 is available at Aetrix Electronics and suitable for USB power management, notebook motherboard designs, and hot-plug power supplies requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.

Supply support for AP2815AMMTR-G1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

BCD Semiconductor Manufacturing Limited is a Shanghai-based analog and power IC designer specializing in high-efficiency, high-reliability power management solutions for consumer, computing, and industrial markets.

The AP2815 product line targets USB-compliant, high-side power distribution with integrated protection-designed specifically for space-constrained, thermally sensitive applications such as portable computing and peripheral docking systems.

FAQ

What is the function of the FLAG pin on AP2815AMMTR-G1?

The FLAG pin is an open-drain output that pulls low during over-current or over-temperature fault conditions. It requires an external pull-up resistor and provides a debounced 5–15 ms delayed signal to alert the host controller-preventing false triggering from transient surges while ensuring reliable fault detection.

Does AP2815AMMTR-G1 support reverse current blocking?

Yes. The device blocks reverse current flow from VOUT to VIN when disabled, achieved through active gate control that prevents the internal MOSFET body diode from conducting. This eliminates backfeed into upstream supplies and satisfies USB battery charging specification leakage requirements.

What is the purpose of the auto-discharge feature in AP2815AMMTR-G1?

The auto-discharge feature activates an internal 13–50 Ω pull-down resistor between VOUT and GND upon disable, rapidly discharging output capacitance. This prevents floating bus states and ensures clean power-down sequencing-critical for USB compliance and avoiding spurious wake events in portable systems.

Can AP2815AMMTR-G1 operate reliably at 2.7 V input?

Yes. The device guarantees full functionality-including current limiting, FLAG assertion, and thermal shutdown-down to 2.7 V input, per its specified operating range. UVLO ensures it remains off below 2.2 V, and R_DS(ON) increases only marginally (to ~80 mΩ) at minimum VIN, maintaining adequate voltage margin for USB loads.