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

Diodes Incorporated AP9214L-AC-HSB-7

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

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

Manufacturer:: Diodes Incorporated

Category:: Battery Management

Package:: 6-UDFN Exposed Pad

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

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

Quantity:: RFQ Add To RFQ list

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Inventory:3,908

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Product details

Overview

AP9214L-AC-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), and short-circuit (±100 mV) protection with fixed delay timing and 0V charge enable. Used in portable power tools and medical handheld devices requiring compact, integrated pack-level safety.

For engineers reviewing the AP9214L-AC-HSB-7 datasheet, AP9214L-AC-HSB-7 pinout, AP9214L-AC-HSB-7 application, or AP9214L-AC-HSB-7 equivalent, key selection criteria include its U-DFN2535-6 (Type B, Option 1) package, dual-MOSFET integration, ±25 mV overcharge detection accuracy, 3.0 µA typical quiescent current in normal mode, and factory-configured 0V battery charge permission.

Technical Context

The AP9214L-AC-HSB-7 implements independent analog comparators for V_DD–V_VSS (cell voltage), V_VM–V_VSS (current-sense), and V_DD–V_VM (charger overvoltage), each feeding into logic-controlled MOSFET gate drivers. Its internal delay timers (t_CU, t_DL, t_DOC, t_SHORT) are fixed and trimmed during production, eliminating external RC components.

It supports two operational modes: Power-Down (0.1 µA max standby) activated after overdischarge, requiring charger reconnection to wake; and Auto-Wake-Up (5.5 µA max standby) enabled via internal configuration. Pin-out Option 1 places NC on Pin 5 and VM on Pin 4, enabling direct R₂ connection between P− and VM for accurate current sensing.

Key Specifications

Parameter	Value and Actual Design Meaning
Overcharge Detection Voltage	4.25 V ±25 mV - sets upper safe charging limit for 1-cell Li+ (e.g., 4.2 V nominal).
Discharge Overcurrent Threshold	0.15 V ±15 mV - detects >15 A load current (with 10 mΩ sense resistor), triggering MOSFET shutdown.
Quiescent Current (Normal Mode)	3.0 µA typ - enables multi-year shelf life in battery-powered IoT sensors without significant self-discharge.
MOSFET R_SS(ON)	13 mΩ typ @ V_DD = 4.0 V - limits conduction loss to <100 mW at 9 A continuous discharge, reducing thermal stress.
Operating Temperature Range	−40°C to +85°C - supports operation in automotive cabin modules and industrial handheld terminals.
Package	U-DFN2535-6 (Type B, Option 1) - 2.5 mm × 3.5 mm × 0.55 mm footprint with exposed thermal pad for PCB heat sinking.
0V Battery Charge	Enabled - allows recovery of deeply discharged cells (0 V) using standard CC/CV chargers without manual pre-charge circuits.

Pinout & Package

AP9214L-AC-HSB-7 uses the U-DFN2535-6 (Type B) package with Pin-Out Option 1: S1/VSS/VDD/VM/NC/S2/EP. The exposed thermal pad (EP) serves as the common drain node for both integrated N-channel MOSFETs and must be soldered to a large copper pour for thermal management.

Pin/Terminal	Circuit Role	Design Meaning
S1	Source of discharging MOSFET	Connected directly to battery negative terminal; carries full discharge current path.
VSS	Negative power supply reference	System ground return for all internal comparators and logic; must be low-impedance.
VDD	Positive power supply input	Connected to battery positive via R1 (330–470 Ω); powers internal circuitry and MOSFET gates.
VM	Current-sense and charger monitor input	Monitors voltage drop across R2 (2.7 kΩ typical) between P− and VM to detect charge/discharge current polarity and magnitude.
NC	No-connect terminal	Pin 5 is unconnected internally; must remain floating-no trace or solder mask required.
S2	Source of charging MOSFET	Connected to charger negative input; controls charge path independently from discharge path.

Key Features

Feature	Design Value
Dual integrated N-channel MOSFETs	Common-drain topology with 13 mΩ R_SS(ON) enables bidirectional current control without external FETs or layout complexity.
Programmable overcharge hysteresis	0.1–0.4 V range (50 mV steps) prevents oscillation near trip point during marginal charging conditions.
Fixed detection delay timing	±20% accuracy at +25°C eliminates need for external RC networks, reducing BOM count and board area.
Power-down mode activation	0.1 µA max current draw in overdischarge state extends shelf life and prevents deep cell degradation during storage.
Factory-configurable 0V charge	Enables automatic recovery of fully depleted Li+ cells without external wake-up circuitry or manual intervention.

Applications

Power Tools

Medical Handheld Devices

Use Scenario: Cordless drill battery packs subjected to high-current bursts (>8 A) and frequent partial discharge cycles.

IC Role / Device Role / Timing Role: Primary protection controller monitoring cell voltage, discharge current, and short-circuit events in real time.

Use Value: Prevents thermal runaway during stall conditions by detecting >0.15 V across R2 within 10 ms (t_DOC), shutting off discharge path before MOSFET junction exceeds 125°C.

Use Scenario: Portable ultrasound probes requiring reliable 1-cell Li+ operation across −10°C to +50°C ambient.

IC Role / Device Role / Timing Role: Safety supervisor enforcing overdischarge cutoff at 2.5 V (±35 mV) and enabling 0V recovery for field-deployed units left unused for months.

Use Value: Guarantees >1000-cycle lifetime by preventing copper dissolution below 2.0 V and allowing full recharge from 0 V without service intervention.

Wireless Headphones

Smart Home Sensors

Use Scenario: Compact earbud cases with integrated charging and battery status reporting.

IC Role / Device Role / Timing Role: Dual-path switch managing separate charge (S2) and discharge (S1) paths while providing precise voltage thresholds for fuel gauging.

Use Value: Enables accurate state-of-charge estimation via ±25 mV overcharge detection and ±35 mV overdischarge detection, reducing firmware calibration overhead.

Use Scenario: Battery-powered door/window contact sensors operating for 5+ years on a single cell.

IC Role / Device Role / Timing Role: Ultra-low-power protector maintaining 3.0 µA normal-mode current and auto-entering 0.1 µA power-down mode after overdischarge.

Use Value: Extends usable battery capacity by 18% over discrete solutions, delaying replacement intervals and reducing maintenance cost.

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
Seiko Instruments S-8261AAB-M6T1U	Single-MOSFET architecture; no integrated charge MOSFET; requires external P-channel FET for charge path.	Lacks bidirectional protection; unsuitable where independent charge/discharge control is required (e.g., USB-C PD charging).	Select only if design already includes external charge FET and needs lower BOM cost, accepting higher layout complexity.
Ricoh RP502K001B-TR-F	Higher quiescent current (6 µA typ); no 0V charge function; ±50 mV overcharge accuracy vs. ±25 mV.	Not suitable for deeply discharged recovery or ultra-low-power long-life applications like smart sensors.	Prefer when cost sensitivity outweighs precision and feature requirements, and 0V charge is not needed.

Compared with S-8261AAB-M6T1U and RP502K001B-TR-F, the AP9214L-AC-HSB-7 delivers true single-chip bidirectional protection, tighter voltage accuracy, and factory-enabled 0V recovery-reducing bill-of-materials count by two FETs and eliminating external pre-charge circuitry.

Availability

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

Supply support for AP9214L-AC-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 manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions.

The AP9214L belongs to Diodes' battery protection IC product line, engineered specifically for space-constrained, high-safety 1-cell Li+ applications where integration, precision, and ultra-low power are critical.

FAQ

What is the function of the NC pin on AP9214L-AC-HSB-7?

Pin 5 is designated NC (No Connect) and is not bonded internally. It must remain electrically floating-no trace, pull-up, or pull-down should be attached. This pin exists solely for mechanical symmetry in the U-DFN2535-6 (Type B) package and has zero electrical function.

Does AP9214L-AC-HSB-7 support automatic release from overdischarge protection?

No-AP9214L-AC-HSB-7 uses latch-type overdischarge protection. Once triggered, it remains latched until the battery voltage rises above the overdischarge release voltage (VDU) and the VM–VSS voltage drops below −0.7 V, or until a charger is connected to force wake-up. Auto-release is not implemented.

How is the discharge overcurrent threshold set in AP9214L-AC-HSB-7?

The threshold is fixed at 0.15 V ±15 mV and measured between VM and VSS pins. It corresponds to the voltage drop across an external current-sense resistor (R2). With a 2.7 kΩ R2, this detects ~56 mA through R2, but actual load current depends on R2 value and MOSFET R_SS(ON) contribution.

Can AP9214L-AC-HSB-7 be used in automotive cabin applications?

Yes-it operates from −40°C to +85°C and meets AEC-Q200 stress test requirements when manufactured in IATF 16949-certified facilities. However, this specific part number (HSB-7) is not AEC-Q100 qualified; automotive-grade variants require direct consultation with Diodes Incorporated for PPAP-capable ordering.

AP9214L-AC-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-AC-HSB-7 FAQ

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

Please submit a Request for Quotation (RFQ) for AP9214L-AC-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-AC-HSB-7 reliable?

The price and inventory of AP9214L-AC-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-AC-HSB-7 is usually 5 days.

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

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

Note: Certain payment methods may incur a processing fee.

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

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

Once your AP9214L-AC-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-AC-HSB-7?

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

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

All AP9214L-AC-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-AC-HSB-7 meets industry standards.

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

All AP9214L-AC-HSB-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP9214L-AC-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-AC-HSB-7 part is unused and in its original packaging.

Return procedure for AP9214L-AC-HSB-7:

1.Submit a request within 90 days.

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

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