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Infineon Technologies ILD8150 | Demoboard ILD8150 80V high-side buck LED
ILD8150 80 V high side buck LED driver IC with hybrid dimming
Overview
| Topology | Buck Converter |
| Input voltage | 8-80 V |
| Switching frequency | 2000 kHz |
| Output 1 | 78 V / 1.5 A |
| IC revision | 1 |
Description
This reference design board features ILD8150E, a 80V LED driver IC with an innovative hybrid dimming method. For applications operating close to safety extra low voltage (SELV) limits it provides a high safety voltage margin. The buck LED driver IC is tailored for LEDs in general lighting applications with average currents up to 1.5A using a high-side integrated switch. Several performance and protection features provide the right fit for professional LED lighting.The reference design ILD8150 provides flexibility to be used up to 1.5A with a short duty cycle. The hysteretic current control is extremely fast and always stable without the need for any loop compensation. It is suitable for applications with a wide range of supply voltages from 8 to 80V, which gives a clear advantage and flexibility comparing to existing 60V solutions.ILD8150E operates in hybrid dimming mode that helps to minimize LED color shift and audible noise. In range of 12.5 to 100 percent it operates in analog dimming mode, in 0.5 to 12.5 percent in PWM mode with fixed output frequency.ILD8150 provides high accuracy over all conditions, as well as AC 100 or 120Hz input flicker rejection in the whole dimming range.
Features
- Wide input voltage range from 8 V to 80 V
- Capable of providing output current up to 1.5 A
- Up to 2 MHz switching frequency
- Digital soft-start
- PWM dimming input up to 20 kHz
- Hybrid output dimming
- Typical ±3 percent output current accuracy
- Very low LED current drift over-temperature
- Under-Voltage Lockout (UVLO)
- Cycle-by-cycle current limitation
- Shut-down mode with low self-consumption
- PG-DSO-8 package with and without exposed pad
- Over-Temperature Protection (OTP)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | ISAT,10%(A) | ISAT,30%(A) | IR,40K(A) | IRP,40K(A) | fres(MHz) | Size | Version | L(µH) | IR(A) | RDC max.(mΩ) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Pins2 | – | – | – | – | Saturation Current @ 10%1.5 A | Saturation Current @ 30%1.85 A | Rated Current1.4 A | Performance Rated Current1.45 A | Self Resonant Frequency1.8 MHz | Size1210 | VersionStandard | Inductance470 µH | Rated Current1.4 A | DC Resistance560 mΩ | ||||
 | WR-TBL Series 4123 - 3.81 mm Screwless 45° Entry, 2, Screwless | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 4123 - 3.81 mm Screwless 45° Entry | Pins2 | PCB/Cable/PanelPCB | ModularityNo | Type45° | Wire Section 16 to 30 (AWG) 1.31 to 0.05 (mm²) | – | – | – | – | – | – | – | – | Rated Current4 A | – | |||
 | WR-TBL Series 3095 - 5.08 mm Reversed Gender Horizontal PCB Header, 4, Pluggable | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Pins4 | PCB/Cable/PanelPCB | ModularityNo | TypeHorizontal | – | – | – | – | – | – | – | – | – | Rated Current20 A | – | |||
 | WE-FI Leaded Toroidal Line Choke, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | – | – | Inductance860 µH | Rated Current3 A | DC Resistance150 mΩ |