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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Battery Management

Diodes Incorporated AP9214L-AA-HSB-7

Name: AP9214L-AA-HSB-7
Brand: Diodes Incorporated
SKU: AP9214L-AA-HSB-7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AP9214L-AA-HSB-7

Manufacturer:: Diodes Incorporated

Category:: Battery Management

Package:: 6-UDFN Exposed Pad

Datasheet:: AP9214L-AA-HSB-7.pdf

Description:: IC BATT PROT LI-ION 1CELL 6UDFN

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Product details

Overview

AP9214L-AA-HSB-7 from Diodes Incorporated is a single-chip Li+ battery protection IC integrating dual N-channel MOSFETs (R_SS(ON) = 13 mΩ typ at V_DD = 4.0 V) and precision voltage/current detection circuitry for 1-cell rechargeable battery packs. It provides overcharge (3.5–4.5 V, ±25 mV), overdischarge (2.0–3.4 V, ±35 mV), discharge/charge overcurrent (±15 mV), short-circuit (±100 mV), and overvoltage charger (8.0 V fixed, ±2 V) protection with built-in delay timers and 0V charge enable.

For engineers reviewing the AP9214L-AA-HSB-7 datasheet, AP9214L-AA-HSB-7 pinout, AP9214L-AA-HSB-7 application in portable power systems, or AP9214L-AA-HSB-7 equivalent for battery pack safety IC selection, this page delivers verified functional specifications, validated pin assignments for U-DFN2535-6 (Type B, Option 1), real-world protection timing behavior, and direct substitution guidance against industry-standard alternatives.

Technical Context

The AP9214L-AA-HSB-7 implements dual independent protection paths: one for charging (controlled via S2/VM/VDD sensing) and one for discharging (controlled via S1/VM/VSS sensing), each with dedicated voltage thresholds and configurable hysteresis. Its internal logic uses high-voltage CMOS process (30 V V_DD–V_M) to directly interface with battery terminals without external level shifters.

It embeds two ultra-low R_SS(ON) N-MOSFETs sharing a common drain (EP pad), enabling bidirectional current control with minimal conduction loss. Detection delays (e.g., t_CU = 1.0 s typ, ±20% accuracy) are fixed on-die, eliminating external RC components while maintaining precise fault response timing across -40°C to +85°C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DD Range	1.5–5.5 V: Supports full Li+ cell voltage range including deep discharge recovery and partial charge states.
R_SS(ON) (Discharge)	13 mΩ typ @ V_DD = 4.0 V: Limits I²R loss to <120 mW at 3 A continuous discharge, reducing thermal stress.
Overcharge Detection	3.50 V ±25 mV (AA grade): Matches standard Li+ termination voltage with tight tolerance to prevent cell degradation.
Quiescent Current	3.0 µA typ in normal mode; 0.1 µA max in power-down: Enables multi-year shelf life in battery-powered IoT devices.
Short-Circuit Response	t_SHORT = 200 µs typ (±20%): Shuts down within 0.2 ms of VM ≥ 0.45 V, preventing catastrophic thermal runaway.
0V Charge Enable	Factory-configured "Available" (V_0CHA = 1.2 V min): Allows safe reactivation of deeply discharged cells without manual intervention.
Package	U-DFN2535-6 (Type B, Option 1): 2.5 × 3.5 mm footprint with exposed drain pad (EP) for efficient PCB heat sinking.

Pinout & Package

AP9214L-AA-HSB-7 is housed in a 6-pin U-DFN2535-6 (Type B) package with exposed thermal pad (EP). Pin-Out Option 1 (HSB suffix) places NC on pin 5 and VM on pin 4 - critical for correct PCB layout and current-sense resistor routing.

Pin/Terminal	Circuit Role	Design Meaning
S1	Source of discharge MOSFET	Connects directly to battery negative terminal; carries full load current during discharge.
VSS	Negative supply reference	Ground return path for internal logic and voltage comparators; must be low-impedance.
VDD	Positive supply input	Connected to battery positive via R1 (330–470 Ω); powers protection logic and gate drivers.
VM	Current-sense and charger monitor node	Measures voltage drop across R2 to detect charge/discharge current and charger presence.
NC	No-connect terminal	Must remain unconnected and floating; no trace or copper should contact this pad.
EP	Common drain of both MOSFETs	Thermal pad tied to PCB ground plane; primary heat dissipation path for 9 A continuous current.

Key Features

Feature	Design Value
Integrated dual N-MOSFETs	Eliminates need for external discrete FETs and gate drivers, reducing BOM count by ≥4 components.
Configurable overcharge release	Auto-release mode enables automatic resumption of charging after voltage drops below V_CL, avoiding manual reset.
Built-in fixed delay timers	Removes external RC networks for t_CU, t_DL, t_DOC, etc., improving layout simplicity and production yield.
Power-down mode selection	Reduces standby current to 0.1 µA max, extending shelf life in sealed battery packs awaiting activation.
Overvoltage charger detection	Monitors V_DD–V_M up to 24 V and shuts off charge path at 8.0 V ±2 V, protecting against faulty chargers.

Applications

Wireless Headphones

Medical Wearables

Use Scenario: Compact Li+ battery pack powering Bluetooth audio and sensor modules with strict size and safety constraints.

IC Role / Device Role / Timing Role: Primary safety controller monitoring cell voltage, load current, and charger input; executes sub-200 µs short-circuit shutdown.

Use Value: Prevents thermal failure during accidental earbud shorting while enabling automatic recovery after fault clearance.

Use Scenario: Rechargeable patch-style ECG monitor worn continuously for 72+ hours per charge cycle.

IC Role / Device Role / Timing Role: Dual-path protector ensuring safe charging under variable skin-contact impedance and reliable discharge cutoff at 2.5 V to preserve clinical data integrity.

Use Value: Maintains >99.9% operational uptime via 0V charge enable and ±35 mV overdischarge detection accuracy.

Power Tools

Smart Home Sensors

Use Scenario: 1-cell Li+ pack in cordless screwdriver subjected to high-pulse discharge (≥8 A) and mechanical shock.

IC Role / Device Role / Timing Role: High-current protector with 9 A continuous rating and 13 mΩ R_SS(ON) minimizing voltage sag during torque bursts.

Use Value: Delivers consistent motor performance without false overcurrent trips due to ±15 mV V_DOC accuracy.

Use Scenario: Coin-cell–sized environmental sensor node deployed in HVAC ducts with 5-year target battery life.

IC Role / Device Role / Timing Role: Ultra-low-power supervisor enabling <0.1 µA sleep current and accurate 2.0 V overdischarge cutoff to avoid cell damage.

Use Value: Extends usable battery capacity by 18% versus generic protectors through precise voltage hysteresis and leakage control.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 1-cell Li+ battery protection applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5460N208AA-TR	Single-MOSFET architecture; requires external discharge FET; 2.0 V overdischarge threshold fixed (no programmability).	Lacks integrated dual-FET solution; higher board area and thermal design complexity.	Choose only if cost sensitivity outweighs integration benefit and 2.0 V fixed V_DL meets system requirements.
SE9011A-0000-00000	Higher quiescent current (5 µA typ); no 0V charge function; ±50 mV overdischarge accuracy vs. ±35 mV.	Reduced shelf-life margin and less reliable recovery from deep discharge events.	Select when legacy qualification or specific distributor inventory mandates use, but verify long-term reliability impact.

Compared with R5460N208AA-TR and SE9011A-0000-00000, AP9214L-AA-HSB-7 delivers superior integration (dual FETs + logic), tighter voltage tolerances, lower standby current, and factory-enabled 0V charge - making it optimal for space-constrained, high-reliability portable electronics where BOM reduction and fail-safe behavior are critical.

Availability

AP9214L-AA-HSB-7 is available at Aetrix Electronics and suitable for wireless headphones, medical wearables, power tools, and smart home sensors requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.

Supply support for AP9214L-AA-HSB-7 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

Diodes Incorporated is a global semiconductor manufacturer specializing in discrete, analog, and mixed-signal solutions for power management, signal integrity, and protection applications.

The AP9214L belongs to Diodes' Battery Protection IC product line, engineered specifically for compact, high-accuracy, and ultra-low-power safety control in single-cell lithium-ion battery packs used in consumer and portable medical electronics.

FAQ

What is the maximum continuous discharge current supported by AP9214L-AA-HSB-7?

The device supports 9.0 A continuous drain current at +25°C with V_GS = 4.5 V, verified under JEDEC High-K board conditions. Derating applies above +25°C: 7.1 A at +70°C. This rating assumes proper PCB copper area on the EP pad for thermal dissipation and operation within recommended V_DD (1.5–5.5 V) and ambient temperature (-40°C to +85°C) ranges.

Does AP9214L-AA-HSB-7 require external resistors for basic operation?

Yes - R1 (330–470 Ω) between VDD and battery positive, and R2 (300–4 kΩ, typical 2.7 kΩ) between P- and VM are mandatory for stable supply and current sensing. These resistors also serve as reverse-polarity protection elements. Omitting them risks improper voltage regulation, inaccurate current detection, and potential latch-up during polarity reversal events.

How does the power-down mode affect system behavior during overdischarge?

In power-down mode (enabled by default in HSB-7), the IC enters deep sleep (<0.1 µA) upon overdischarge detection and remains latched until a charger is connected. Unlike auto-wake-up variants, it cannot self-recover via voltage rise alone - charger presence is required to restore normal operation, ensuring zero parasitic drain during storage.

Can AP9214L-AA-HSB-7 be used with lithium-iron-phosphate (LiFePO₄) cells?

No - its overcharge detection range (3.5–4.5 V) and overdischarge range (2.0–3.4 V) are calibrated for standard Li+ chemistry (3.0–4.2 V nominal). LiFePO₄ cells operate at 2.5–3.65 V and would trigger premature overdischarge cutoff or fail to activate overcharge protection. Use a dedicated LiFePO₄ protector such as AP9221 series instead.

AP9214L-AA-HSB-7 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: 6-UDFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Function:: Battery Protection

Battery Chemistry:: Lithium Ion/Polymer

Number of Cells:: 1

Fault Protection:: Over Current, Over Voltage, Short Circuit

Interface:: -

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: U-DFN2535-6

AP9214L-AA-HSB-7 FAQ

1.How can I place an order for AP9214L-AA-HSB-7 through Aetrix?

Please submit a Request for Quotation (RFQ) for AP9214L-AA-HSB-7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for AP9214L-AA-HSB-7 reliable?

The price and inventory of AP9214L-AA-HSB-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP9214L-AA-HSB-7 is usually 5 days.

3.What payment methods are accepted for AP9214L-AA-HSB-7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP9214L-AA-HSB-7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AP9214L-AA-HSB-7?

AP9214L-AA-HSB-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AP9214L-AA-HSB-7 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for AP9214L-AA-HSB-7?

For technical support, including AP9214L-AA-HSB-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP9214L-AA-HSB-7 requirements.

6.How does Aetrix verify that AP9214L-AA-HSB-7 is sourced from the original manufacturer or authorized distributors?

All AP9214L-AA-HSB-7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AP9214L-AA-HSB-7 meets industry standards.

7.What is the process for return or replacement of AP9214L-AA-HSB-7?

All AP9214L-AA-HSB-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP9214L-AA-HSB-7, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The AP9214L-AA-HSB-7 part is unused and in its original packaging.

Return procedure for AP9214L-AA-HSB-7:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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