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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > LED Drivers

Diodes Incorporated AL8862FF-7

Name: AL8862FF-7
Brand: Diodes Incorporated
SKU: AL8862FF-7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AL8862FF-7

Manufacturer:: Diodes Incorporated

Category:: LED Drivers

Package:: 6-WDFN Exposed Pad

Datasheet:: AL8862FF-7.pdf

Description:: IC LED DRIVER RGLTR PWM 1A 6DFN

Quantity:: RFQ Add To RFQ list

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Inventory:8,682

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Product details

Overview

AL8862FF-7 from Diodes Incorporated is a 60V, 1A step-down DC/DC LED driver IC with integrated 60V NDMOS power switch and high-side current sensing. It delivers constant-current LED drive across 5–60V input, supports analog/PWM dimming via single CTRL pin, and operates up to 1MHz switching frequency for compact PCB designs. Used in commercial lighting systems requiring uniform brightness across series-connected LEDs without ballast resistors.

For engineers reviewing the AL8862FF-7 datasheet, AL8862FF-7 pinout, AL8862FF-7 application, or AL8862FF-7 equivalent, key selection criteria include input voltage range (5–60V), output current accuracy (±4%), CTRL pin dimming interface behavior (0.4–2.5V analog / 0.3V/2.6V PWM thresholds), thermal shutdown threshold (+150°C), and SO-8EP package thermal resistance (θJA = 58°C/W).

Technical Context

The AL8862FF-7 implements hysteresis-based current-mode control with internal reference comparator and PWM/DC dimming logic. Its SET pin senses voltage drop across an external RSET resistor to regulate average LED current, while the CTRL pin serves dual function: analog dimming (0.4–2.5V) or PWM on/off control (low <0.3V, high >2.6V).

It integrates a 60V, 0.4Ω typical R_DS(on) N-channel MOSFET switch and features inherent open-circuit LED protection, short-circuit LED protection, and current-sense resistor short-circuit detection - all without external fault monitoring circuitry.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	5V to 60V - supports wide-range industrial/commercial DC supplies including 12V, 24V, 36V, 48V rails.
Max Output Current	1A - sets upper limit for single-channel LED string drive; configured via external RSET resistor (e.g., 0.1Ω for 1A nominal).
Current Accuracy	±4% typical - ensures consistent luminance across LED strings without binning or trimming.
Switching Frequency	Up to 1MHz - enables use of small inductors (e.g., 33–100μH) and ceramic output capacitors, reducing solution size.
Dimming Interface	Single-pin CTRL - accepts 0.4–2.5V analog voltage or PWM signal (low <0.3V, high >2.6V) for seamless brightness control integration.
Thermal Shutdown	+150°C with +30°C hysteresis - protects device during overload or poor heatsinking; resumes operation after cooldown.
Efficiency	Up to 97% - minimizes power loss and thermal load in enclosed lighting fixtures.

Pinout & Package

AL8862FF-7 is packaged in SO-8EP (exposed pad), providing low thermal resistance (θ_JA = 58°C/W) and robust power dissipation for continuous 1A operation. The exposed pad must be soldered to PCB ground plane for optimal thermal performance.

Pin/Terminal	Circuit Role	Design Meaning
SET (Pin 1)	Current sense reference input	Connects to VIN via RSET; sets nominal LED current (I_OUT ≈ 1.0V/R_SET); 100mV threshold with ±13% hysteresis.
GND (Pins 2, 7)	Power and signal ground	Common return path for internal circuitry, SW node freewheeling path, and thermal pad connection.
NC (Pin 3)	No connection	Internally unconnected; must remain floating - no routing or soldering required.
VIN (Pin 4)	Main power input	Accepts 5–60V DC; requires ≥10μF X7R ceramic decoupling capacitor placed adjacent to pin.
SW (Pins 5, 6)	Switch node output	Drives external inductor and freewheeling diode; high dv/dt node - minimize trace length and loop area to reduce EMI.
CTRL (Pin 8)	Multi-function control	Enables on/off, analog dimming (0.4–2.5V), or PWM dimming (0.3V/2.6V logic); soft-start time adjustable via C_CTRL-to-GND.
EP	Exposed thermal pad	Must be soldered to large GND copper pour; primary thermal conduction path - accounts for >80% of heat removal.

Key Features

Feature	Design Value
Integrated 60V NDMOS switch	Eliminates need for external high-voltage MOSFET and gate driver; reduces BOM count and layout complexity.
Single-pin dimming control	Reduces system GPIO usage and simplifies MCU interface - one pin handles both enable and 10:1 brightness scaling.
Inherent open-circuit LED protection	Auto-shutdown when LED string opens - prevents overvoltage stress on SW node and eliminates need for external Zener clamp.
LED short-circuit protection	Detects zero-current condition at SW node and disables switching - avoids thermal runaway during LED failure.
Current-sense resistor short protection	Shuts down if RSET shorts - prevents uncontrolled current surge and safeguards downstream LEDs and PCB traces.

Applications

Commercial Lighting

Industrial Control Panels

Use Scenario: Constant-current driver for linear LED troffers and panel lights in office buildings and retail spaces.

IC Role / Device Role / Timing Role: Primary LED current regulator with analog dimming support for DALI-2 or 0–10V compatible lighting controls.

Use Value: Delivers ±4% current accuracy across 5–60V input range, ensuring uniform brightness without per-fixture calibration.

Use Scenario: Backlight driver for HMI displays and status indicators in factory automation HMIs and PLC operator panels.

IC Role / Device Role / Timing Role: High-reliability LED driver with overtemperature and open-circuit protection for 24VDC industrial power rails.

Use Value: Inherent fault protections eliminate need for external supervision circuitry, reducing design validation effort and field failure risk.

Architectural Accent Lighting

Appliance Interior Lighting

Use Scenario: Low-profile LED strip driver for cove, step, and façade lighting where thermal envelope and PCB area are constrained.

IC Role / Device Role / Timing Role: Compact 1MHz step-down controller enabling <3mm height solutions using 33μH shielded inductors.

Use Value: SO-8EP package with θ_JA = 58°C/W allows full 1A output in thermally restricted enclosures without forced air.

Use Scenario: Dimmable interior light source for refrigerators, ovens, and laundry appliances powered from 12V or 24V SMPS rails.

IC Role / Device Role / Timing Role: Single-wire PWM-dimmable LED driver compliant with IEC 60335 safety requirements for household appliances.

Use Value: CTRL pin PWM interface directly accepts 3.3V/5V logic signals - no level-shifting or optocoupler needed for MCU integration.

Equivalent & Alternatives

The following parts are listed as comparable options for similar constant-current LED driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AL8863Q-13	Automotive-grade variant (AEC-Q100 qualified); identical electrical specs but extended temp range (−40°C to +125°C junction) and enhanced ESD (HBM 3kV).	Required for automotive exterior lighting or under-hood modules; not necessary for commercial/industrial indoor use.	Select AL8863Q-13 only when AEC-Q100 compliance and −40°C to +125°C operation are mandatory.
MPQ4425AGU-AEC1-P	Monolithic 60V/1.2A buck LED driver with integrated Schottky diode; higher max current but fixed 500kHz f_SW, no CTRL pin analog dimming.	Lacks analog dimming capability; requires external PWM generator or DAC for brightness control.	Choose MPQ4425AGU-AEC1-P only if integrated diode simplifies layout and analog dimming is unnecessary.

Compared with AL8862FF-7, AL8863Q-13 adds automotive qualification at no cost to efficiency or feature set, while MPQ4425AGU-AEC1-P trades dimming flexibility for integration - making AL8862FF-7 optimal for cost-sensitive, dimmable commercial lighting where single-pin control and ±4% accuracy are critical.

Availability

AL8862FF-7 is available at Aetrix Electronics and suitable for commercial lighting, industrial HMI backlighting, architectural accent lighting, and appliance interior lighting requiring stable component supply and long-term production continuity.

Supply support for AL8862FF-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 power management, signal integrity, and LED lighting solutions for industrial, consumer, and automotive markets.

The AL8862 belongs to Diodes' high-voltage LED driver product line, engineered specifically for efficient, reliable constant-current drive of medium-power LED strings in non-automotive commercial and industrial environments.

FAQ

What is the minimum input voltage required for AL8862FF-7 to start switching?

The AL8862FF-7 has an under-voltage lockout (UVLO) threshold of 4.8V (typical) with 200mV hysteresis. It begins switching only when VIN rises above ~4.8V and remains active until VIN falls below ~4.6V. Below 4.6V, the internal switch is disabled and quiescent current drops to <1µA.

Can AL8862FF-7 drive multiple parallel LED strings?

No - AL8862FF-7 is designed exclusively for series-connected LED strings. Driving parallel strings would cause current imbalance due to V_F mismatch, violating its constant-current regulation principle. For parallel configurations, separate AL8862FF-7 channels or a multi-channel IC like AL8865 are required.

How does the CTRL pin soft-start capacitor affect dimming performance?

A capacitor from CTRL to GND increases soft-start time by ~1.5ms/nF, delaying output current ramp-up. This improves PWM dimming accuracy at low duty cycles (<5%) by preventing current overshoot during turn-on transients, but adds latency to analog dimming response - typical C_CTRL values range from 0nF (default 0.1ms) to 2.2nF (3.4ms).

Is the SO-8EP package of AL8862FF-7 RoHS and halogen-free compliant?

Yes - AL8862FF-7 uses a green molding compound with no intentionally added lead, bromine, chlorine (<1500ppm Br+Cl), or antimony (<1000ppm). It meets EU RoHS 2011/65/EU and RoHS 3 2015/863/EU directives and is certified halogen- and antimony-free per Diodes Incorporated's "Green" definition.

AL8862FF-7 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: 6-WDFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Type:: DC DC Regulator

Topology:: Step-Down (Buck)

Internal Switch(s):: Yes

Number of Outputs:: 1

Voltage - Supply (Min):: 5V

Voltage - Supply (Max):: 60V

Voltage - Output:: -

Current - Output / Channel:: 1A

Frequency:: 1MHz

Dimming:: Analog, PWM

Applications:: Commercial & Industrial Lighting

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 6-DFN (3x3)

AL8862FF-7 FAQ

1.How can I place an order for AL8862FF-7 through Aetrix?

Please submit a Request for Quotation (RFQ) for AL8862FF-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 AL8862FF-7 reliable?

The price and inventory of AL8862FF-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AL8862FF-7 is usually 5 days.

3.What payment methods are accepted for AL8862FF-7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AL8862FF-7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AL8862FF-7?

AL8862FF-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AL8862FF-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 AL8862FF-7?

For technical support, including AL8862FF-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AL8862FF-7 requirements.

6.How does Aetrix verify that AL8862FF-7 is sourced from the original manufacturer or authorized distributors?

All AL8862FF-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 AL8862FF-7 meets industry standards.

7.What is the process for return or replacement of AL8862FF-7?

All AL8862FF-7 units undergo pre-shipment inspection (PSI). If there is an issue with AL8862FF-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 AL8862FF-7 part is unused and in its original packaging.

Return procedure for AL8862FF-7:

1.Submit a request within 90 days.

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

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