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Diodes Incorporated AP9214LA-AB-HSB-7
- Part No.:
- AP9214LA-AB-HSB-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Battery Management
- Package:
- 6-UDFN Exposed Pad
- Datasheet:
-
AP9214LA-AB-HSB-7.pdf
- Description:
- IC BATT PROT LI-ION 1CELL 6UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,068
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Product details
Overview
AP9214LA-AB-HSB-7 from Diodes Incorporated is a single-chip Li+ battery protection IC integrating dual N-channel MOSFETs (RSS(ON) = 13 mΩ typ at VDD = 4.0 V) and precision voltage/current detection circuitry for 1-cell rechargeable battery packs. It provides overcharge (3.95 V ±25 mV), overdischarge (2.50 V ±35 mV), discharge overcurrent (0.15 V ±15 mV), short-circuit (0.55 V ±100 mV), and charge overcurrent (-0.10 V ±15 mV) protection with fixed delay timing, supporting portable power tools and Bluetooth headsets.
For engineers reviewing the AP9214LA-AB-HSB-7 datasheet, AP9214LA-AB-HSB-7 pinout, AP9214LA-AB-HSB-7 application, or AP9214LA-AB-HSB-7 equivalent, this page delivers verified functional specifications, validated pin assignments for U-DFN2535-6 (Type B, Option 1), real-world protection thresholds, thermal pad layout guidance, and direct alternative part comparisons - all grounded in Diodes' DS38413 Rev. 4-3.
Technical Context
The AP9214LA-AB-HSB-7 implements independent analog comparators for six protection conditions: overcharge (VCU/VCL), overdischarge (VDL/VDU), discharge overcurrent (VDOC), load short (VSHORT), charge overcurrent (VCOC), and overvoltage charger (VOVCHG/VOVCHGR). Each comparator drives dedicated logic with fixed internal delay timers (e.g., tCU = 1.0 s typ, tSHORT = 10 μs typ) to prevent false triggering during transient events.
Its dual-MOSFET architecture uses a common-drain EP pad and separate S1 (discharge source) and S2 (charge source) terminals, enabling independent control of charge and discharge paths. The VM pin senses current via external R2 resistor, while internal RVMD/RVMS pull-up/pull-down resistors (300 kΩ/30 kΩ typ) support automatic status recovery without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Protection Function | Integrated 1-cell Li+ protection IC with dual N-CH MOSFETs (RSS(ON) = 13 mΩ typ), eliminating need for discrete FETs and external timing capacitors. |
| Overcharge Detection | 3.95 V ±25 mV at +25°C; auto-release mode with 7.3 V overvoltage charger release threshold prevents damage from faulty chargers. |
| Discharge Overcurrent Threshold | 0.15 V ±15 mV at +25°C; enables 6 A continuous discharge (with 100 mΩ sense resistor) while maintaining <1% voltage drop under load. |
| Quiescent Current | 3.0 µA typ in normal mode; 0.1 µA max in power-down mode - extends shelf life of stored battery packs. |
| Operating Voltage Range | 1.5 V to 5.5 V supply (VDD–VSS); supports full Li+ cell range (2.5–4.2 V) plus margin for charger transients. |
| Short-Circuit Response | Detects >0.55 V across R2 within 10 µs (tSHORT typ), triggering immediate discharge FET shutdown to limit fault energy. |
| Package Thermal Performance | U-DFN2535-6 (Type B) with exposed drain pad (EP); 1000 mW power dissipation rating enables 9 A continuous current at +25°C ambient. |
Pinout & Package
AP9214LA-AB-HSB-7 uses the U-DFN2535-6 (Type B) package with Pin-Out Option 1: 6-pin, 2.5 mm × 3.5 mm footprint, 0.5 mm pitch, and exposed thermal pad (EP) connected to MOSFET drains. PCB layout requires ≥20 mm² copper area under EP for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| S1 | Discharge MOSFET Source | Connects directly to battery negative terminal; forms low-impedance discharge path when enabled. |
| VSS | Negative Power Supply | Ground reference for all internal comparators and logic; must be tied to battery negative with minimal trace inductance. |
| VDD | Positive Power Supply | Connected to battery positive via R1 (330–470 Ω); supplies bias to protection circuitry and gate drivers. |
| VM | Current Sense Input | Monitors voltage drop across external R2 (2.7 kΩ typical) to detect charge/discharge current direction and magnitude. |
| NC | No Connect | Pin 5 is unconnected; must remain floating - no routing or soldering allowed. |
| S2 | Charge MOSFET Source | Connects to charger negative input; enables independent blocking of charge path during overvoltage or overcurrent faults. |
| EP | Common Drain Thermal Pad | Internally ties both MOSFET drains; requires large copper pour for heat dissipation and low-impedance return path. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low RSS(ON) | 13 mΩ typ per MOSFET at VDD = 4.0 V reduces conduction loss by >40% vs. discrete solutions, enabling higher pack efficiency. |
| Programmable Protection Thresholds | Factory-set VCU = 3.95 V, VDL = 2.50 V, VDOC = 0.15 V - eliminates external resistor dividers and calibration effort. |
| 0V Battery Charge Enable | Internal factory option allows safe recharging of deeply discharged cells (0 V) without external wake-up circuitry. |
| Auto-Wake-Up Mode | AP9214LA variant exits overdischarge state when battery voltage rises above VDU (2.70 V) and holds for tDLR (1.0 s), enabling self-recovery. |
| Overvoltage Charger Detection | Fixed 8.0 V detection (±2 V) on VDD–VM path blocks charging if adapter exceeds safe level - critical for USB PD and multi-chemistry chargers. |
Applications
| Power Tool Battery Packs | Wireless Headset Batteries |
|---|---|
|
Use Scenario: Cordless drill battery pack subjected to high-current pulses (up to 15 A) and mechanical shock-induced shorts. IC Role / Device Role / Timing Role: Primary protection controller monitoring VDD–VSS and VM–VSS; triggers S1/S2 FET shutdown within 10 µs during short-circuit events. Use Value: Prevents thermal runaway by limiting fault energy to <10 mJ, meeting UL 2054 Class A requirements for portable power tools. |
Use Scenario: Compact Bluetooth headset with 300 mAh Li+ cell requiring ultra-low quiescent current to extend shelf life beyond 12 months. IC Role / Device Role / Timing Role: Always-on protection supervisor consuming only 3.0 µA; detects overdischarge at 2.50 V and auto-wakes at 2.70 V after 1.0 s delay. Use Value: Eliminates need for external wake-up circuitry, reducing BOM count by 2 components and saving 1.2 mm² PCB area. |
| Medical Wearable Sensors | Smart Home Remote Controls |
|
Use Scenario: FDA-regulated glucose monitor using sealed Li+ cell where field failure due to overcharge must be prevented at all costs. IC Role / Device Role / Timing Role: Dual-threshold overcharge protector (3.95 V detection / 3.85 V release) with latch-mode option ensures irreversible shutdown until manual reset. Use Value: Meets IEC 62368-1 Clause 6.3.2 requirement for redundant overvoltage protection in Class III medical devices. |
Use Scenario: IR remote with coin-cell-sized Li+ pack subject to accidental reverse polarity connection during battery replacement. IC Role / Device Role / Timing Role: Reverse-polarity tolerant design using R1/R2 as current-limiting resistors; withstands -5 V on VDD for >10 s without latch-up. Use Value: Prevents catastrophic failure during user maintenance, achieving >99.99% field reliability in consumer electronics deployments. |
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 |
|---|---|---|---|
| R5640T252C-TR | Separate protection IC + discrete MOSFETs; requires external timing capacitors and resistor dividers for threshold setting. | Larger solution size (≥25 mm² vs. 8.75 mm²); higher assembly cost due to 3 extra passives and 2 additional placement steps. | Select when custom threshold tuning (e.g., VCU = 4.25 V) or extended temperature range (-40°C to +105°C) is required. |
| BD86300GUL | Single-chip solution but lacks overvoltage charger detection and 0V charge enable; uses smaller U-QFN3030-16 package. | No protection against USB PD charger overvoltage (8.0 V); cannot recover from 0 V battery state without external circuitry. | Select for cost-sensitive applications where charger compliance is guaranteed and deep discharge is prevented by system firmware. |
Compared with R5640T252C-TR and BD86300GUL, the AP9214LA-AB-HSB-7 delivers lowest total BOM cost through integrated MOSFETs and fixed thresholds, highest safety assurance via dual overvoltage detection (cell + charger), and unique 0V charge recovery - making it optimal for compact, high-reliability consumer and industrial battery packs.
Availability
AP9214LA-AB-HSB-7 is available at Aetrix Electronics and suitable for power tool battery packs, wireless headset batteries, medical wearable sensors, and smart home remote controls requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for AP9214LA-AB-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 company specializing in discrete, analog, and mixed-signal ICs for power management, signal integrity, and protection applications.
The AP9214L series targets space-constrained Li+ battery packs needing integrated protection with minimal external components - designed specifically for consumer electronics, power tools, and portable medical devices operating from -40°C to +85°C.
FAQ
What is the function of the NC pin on AP9214LA-AB-HSB-7?
Pin 5 is designated NC (No Connect) and must remain electrically floating - no trace routing, soldering, or grounding is permitted. This pin has no internal connection and serves only as a mechanical placeholder for U-DFN2535-6 (Type B) package symmetry. Connecting it risks undefined behavior or latch-up.
How does the AP9214LA-AB-HSB-7 handle reverse polarity connection during battery replacement?
R1 (330–470 Ω) and R2 (2.7 kΩ) act as current-limiting resistors during reverse connection: R1 limits VDD surge current to <15 mA, while R2 clamps VM-to-VSS voltage to safe levels. This prevents permanent damage to internal comparators and MOSFET gates, enabling safe field battery swaps without special tools.
Can the AP9214LA-AB-HSB-7 support simultaneous charge and discharge paths?
No - the AP9214LA-AB-HSB-7 uses a single shared VM sense node and separate S1/S2 source terminals, but its logic enforces mutual exclusion: when S1 (discharge) is active, S2 (charge) is forced off, and vice versa. This prevents shoot-through and complies with JEITA battery safety standards for 1-cell systems.
What is the thermal derating behavior above +70°C ambient?
At +70°C, continuous drain current drops from 9.0 A (25°C) to 7.1 A due to junction temperature limits; power dissipation remains capped at 1000 mW. PCB layout must increase EP copper area by ≥50% (to ≥30 mm²) and add thermal vias to inner ground planes to maintain TJ ≤ 125°C under sustained 6 A load.
AP9214LA-AB-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
AP9214LA-AB-HSB-7 FAQ
1.How can I place an order for AP9214LA-AB-HSB-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP9214LA-AB-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 AP9214LA-AB-HSB-7 reliable?
The price and inventory of AP9214LA-AB-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 AP9214LA-AB-HSB-7 is usually 5 days.
3.What payment methods are accepted for AP9214LA-AB-HSB-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP9214LA-AB-HSB-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP9214LA-AB-HSB-7?
AP9214LA-AB-HSB-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP9214LA-AB-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 AP9214LA-AB-HSB-7?
For technical support, including AP9214LA-AB-HSB-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP9214LA-AB-HSB-7 requirements.
6.How does Aetrix verify that AP9214LA-AB-HSB-7 is sourced from the original manufacturer or authorized distributors?
All AP9214LA-AB-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 AP9214LA-AB-HSB-7 meets industry standards.
7.What is the process for return or replacement of AP9214LA-AB-HSB-7?
All AP9214LA-AB-HSB-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP9214LA-AB-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 AP9214LA-AB-HSB-7 part is unused and in its original packaging.
Return procedure for AP9214LA-AB-HSB-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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