Analog Devices Inc./Maxim Integrated MAX16814ATP+

Mfr. Part

MAX16814ATP+

Manufacturer

Analog Devices / Maxim Integrated

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Detailed Description

4-channel high-voltage LED driver controller for backlighting and general lighting

4.75 V to 40 V supply range, controls an external power stage (no internal switch)

Supports buck, boost, and SEPIC topologies

Up to 150 mA per channel; PWM dimming

Programmable switching frequency from 200 kHz to 2 MHz

Wide temperature range: -40°C to +125°C (TA)

Compact 20-pin 4 x 4 mm TQFN with exposed thermal pad; surface-mount

Base product number: MAX16814

RoHS status: ROHS3 compliant

Available quantity at Y-IC: 3969 pcs (subject to prior sale)

Key Features

4 independent LED current channels (up to 150 mA/channel)

Wide input voltage: 4.75 V to 40 V

Multi-topology operation: buck, boost, SEPIC

PWM dimming input for wide dimming range

Frequency programmable: 200 kHz to 2 MHz for size/efficiency trade-offs

External MOSFET-based power stage for scalable output power

Protection and control features typical for automotive LED control (UVLO, thermal protections, fault handling; see datasheet)

Automotive/industrial temperature range

RoHS3, lead-free, halogen-free materials

Key Advantages

Flexible design fits many input and LED string requirements (buck/boost/SEPIC)

High efficiency possible across broad input/output conditions

Accurate brightness control with PWM dimming

Scalable output current and power via external components

Small PCB footprint thanks to 4 x 4 mm package and up to 2 MHz operation

Wide ambient temperature capability for harsh environments

Packaging

Package type: 20-pin TQFN (4 x 4 mm) with exposed thermal pad; also referenced as 20-WFQFN Exposed Pad

Mounting: Surface mount (SMT)

Shipping packaging: Tube

Supplier device package: 20-TQFN (4x4)

Material: Lead-free, RoHS3-compliant mold compound; copper lead frame; Pb-free terminal finish (see datasheet/label for exact plating)

Size: Body 4.0 mm x 4.0 mm nominal; height approximately 0.75–0.8 mm

Pin configuration: 20 perimeter pins plus a large exposed pad used for heat dissipation and ground; nominal lead pitch ~0.5 mm; see datasheet for exact pinout and functions

Thermal characteristics: Exposed pad must be soldered to a solid ground plane with thermal vias to lower thermal resistance; actual θJA/θJC depend on PCB design and airflow—refer to datasheet thermal data

Electrical properties (package-level): JEDEC Pb-free reflow compatible (up to 260°C per J-STD-020 profile); MSL per product label—handle per J-STD-033

Compliance: ROHS3 compliant

Lifecycle

Status: Active as of the latest public information; no official discontinuation notice observed

Not nearing discontinuation based on current data; availability may vary by region and time—confirm with Y-IC

Functionally similar or alternative models (verify electrical specs, features, and pin compatibility before use):

- Analog Devices (Maxim): MAX16809/MAX16810 (multi-channel LED drivers), MAX16819/MAX16820 (buck LED driver controllers), MAX16838/MAX16839 (high-voltage LED driver controllers)

- Analog Devices (Linear Technology): LT3476 (quad 1 MHz LED driver), LT3796/LT3797 (multi-topology LED controllers)

- Texas Instruments: TPS61196 (6-channel LED driver), TPS92630-Q1 (3-channel automotive LED driver), TPS92512 (buck LED driver)

- onsemi: NCL30125 (LED driver controller), NCV78702 (automotive multi-channel)

- Infineon: TLD5098/TLD5045 (LED driver controllers)

If you need a pin-to-pin or drop-in replacement, or if none of the above meet your needs, please contact Y-IC sales via our website for tailored guidance

Key Application Areas

Automotive and industrial LCD/instrument cluster backlighting

General illumination and architectural lighting

Signage, billboards, and advertising light engines

Portable and handheld lighting from automotive or battery rails

LED strings requiring buck, boost, or SEPIC conversion with PWM dimming

Datasheet

Y-IC hosts the most authoritative and up-to-date datasheet for MAX16814ATP+ on this product page. Download it here for complete electrical specifications, pin descriptions, thermal data, layout guidelines, and application circuits.

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