A8510GECTR-T
LED Display & Drivers
Technical Specifications
| Type | Description |
|---|---|
| Dimming | PWM |
| Voltage - Input(AC) | - |
| Switch Tube (built-in/external) | Built-in |
| Constant Current Accuracy | 3% |
| Voltage - Input(DC) | 5V~40V |
| Switching Freq Hz | 580kHz~2.3MHz |
| Channels | 8 |
| Type | Description |
|---|---|
| Type | - |
| Output Voltage | - |
| Operating Temperature | -40°C~+105°C |
| Output Current | 320 mA |
| Features | Over Voltage Protection;Built-in soft-start;Short Circuit Protection;LED open-circuit protection;Over-Temperature Protection (OTP) |
| Topology | Boost |
| Package / Case | QFN-26(4x4) |
Product Introduction
A multi-output white LED driver for LCD backlighting. It integrates a current-mode boost converter with internal power switch and 8 current sinks. The boost converter can drive up to 96 LEDs with 12 LEDs at 40 mA per string. The LED sinks can also be paralleled together to achieve even higher LED currents, up to 320 mA. It can operate from a single power supply, from 5 to 40 V.
If required, it can drive an external P-FET to disconnect the input supply from the system in the event of a fault. It provides protection against output short and overvoltage, open or shorted diode, open or shorted LED pin, and overtemperature. A dual level cycle-by-cycle current limit function provides soft start and protects the internal current switch against high current overloads.
It has a synchronization pin that allows PWM switching frequencies to be synchronized in the range of 580 kHz to 2.3 MHz.
The device package is a 26-contact, 4 mm×4 mm, 0.75 mm nominal overall height QFN, with exposed pad for enhanced thermal dissipation. It is lead (Pb) free, with 100% matte tin leadframe plating.
Features
- Integrated 2 MHz capable boost converter with 60 V DMOS switch with OVP protection
- Sync function to synchronize boost converter switching frequencies up to 2.3 MHz
- LED current up to 40 mA per LED channel into 8 channels
- Drives up to 12 series LEDs in 8 parallel strings (Vf = 3.5 V, If = 40 mA), VIN = 8 V, switching frequency of 1 MHz
- Single EN/PWM pin interface for PWM dimming and enable functions
- APWM pin for fine-tuning color adjustment and/or maximizing contrast ratio
- Integrated driver for optional external PMOS input disconnect switch
- Typical LED accuracy of 0.7% and 0.8% for LED-to-LED matching
- Internal bias supply for single-supply operation from 5 to 40 V
- Extensive protection features
Applications
- Industrial LCD displays
- Backlighting LCD displays
- Infotainment displays
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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