Diodes Incorporated AP2815AM-G1

Overview

AP2815AM-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, and open-drain FLAG fault indicator. It delivers USB-compliant power switching for hot-plug applications, featuring over-current protection with fold-back, thermal shutdown, soft-start, and under-voltage lockout (UVLO) at 2.2–2.7 V.

For engineers reviewing the AP2815AM-G1 datasheet, AP2815AM-G1 pinout, AP2815AM-G1 application, or AP2815AM-G1 equivalent, key selection criteria include guaranteed 1.5A continuous load capability, logic-level enable compatibility (active-high version), deglitched FLAG response (5–15 ms delay), and SOIC-8 package suitability for USB hub and notebook motherboard designs.

Technical Context

The AP2815AM-G1 implements a charge-pump–driven high-side N-MOSFET architecture to achieve low on-resistance while operating from 2.7–5.5 V input. Its current-limit threshold (1.65–2.8 A) is internally trimmed and temperature-compensated, enabling robust short-circuit handling with fold-back behavior.

It integrates UVLO with 0.2 V hysteresis, thermal shutdown at 150 °C (30 °C hysteresis), and reverse-current blocking during disable. The FLAG output is deglitched and open-drain, requiring external pull-up; it asserts low upon OCP or OTP detection with defined propagation delay.

Key Specifications

Pinout & Package

AP2815AM-G1 is housed in an industry-standard SOIC-8 package (4.9 × 3.9 × 1.75 mm), RoHS-compliant and green (G1 suffix). Pinout supports compact PCB layout with dual VIN inputs and triple VOUT outputs for low-inductance power path routing.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TPS2051BDBVR and NIS5132MN, AP2815AM-G1 uniquely combines integrated FLAG reporting, auto-discharge, and active-high enable in SOIC-8 - simplifying USB-compliant hot-plug design without external components.

Availability

AP2815AM-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 support, and RoHS/Green compliance.

Supply support for AP2815AM-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 China-based analog and power IC designer specializing in high-performance, cost-optimized solutions for consumer, computing, and industrial markets.

The AP2815 product line targets USB-compliant power distribution with integrated protection - designed specifically for space-constrained, thermally sensitive applications like portable computing and peripheral hubs.

FAQ

What is the enable polarity of AP2815AM-G1?

AP2815AM-G1 uses active-high enable logic: the device turns on when EN voltage exceeds 1.6 V (min) and turns off when EN drops below 1.0 V (max). This matches standard GPIO outputs from most host controllers without level-shifting.

Does AP2815AM-G1 require external capacitors?

Yes - a minimum 2.2 µF input capacitor is required per datasheet recommendation. For frequent short-circuit events, 22 µF is advised. Output capacitance depends on load; typical designs use 1–100 µF to stabilize VOUT during switching transients.

How does the FLAG pin behave during fault conditions?

The FLAG pin is open-drain and asserts low within 5–15 ms of over-current or over-temperature detection. It remains low until the fault clears and the device recovers - no manual reset is needed. An external pull-up resistor (typically 4.7–10 kΩ) is mandatory for proper logic-level signaling.

Is AP2815AM-G1 compatible with USB 2.0 power delivery specifications?

Yes - its 60 mΩ R_DS(ON) ensures ≤75 mV voltage drop at 1.5 A, satisfying USB 2.0 specification limits for bus-powered devices. Combined with UVLO, soft-start, and fold-back OCP, it fully supports compliant USB power switching.