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Allegro Microsystems A80804-1 | Demoboard APEK80804KET-1
4-Channel High-Power Linear LED Driver With Individual PWM Control
Overview
| Topology | Buck Converter |
| Input voltage | 5.3-40 V |
Description
The A80804 demo board is designed to aid system designerswith evaluating the operation and performance of Allegro’sA80804 and A80804-1 linear programmable current controllers. The A80804 and A80804-1 are capable of regulating current in four independent LED strings. The A80804 demo board is available in two configurations: one for the A80804 with VSENSE of 500 mV and one for the A80804-1 with VSENSE of 200 mV. The demo board will arrive with a mark on one of the silkscreen boxes in the top right of the demo board to identify which device the demo board was configured for. The demo board has four strings of three white LEDs.
Features
- Internal and external PWM dimming options
- Two ADIM pins for LED binning, NTC feedback, or hybrid analog/PWM dimming
- Adjustable integrated LED current derating for elevated VIN
- Integrated LED current derating for elevated IC junction temperature
- MINOUT signal for trimming pre-regulator to minimize power loss
- Selectable LED current slew rate limit during PWM dimming
- Extensive fault detection and protection
- Current sense voltage options of 500mV (A80804) for better BCI immunity or 200mV (A80804-1) for lower power dissipation in the sense resistors
Typical applications
- Automotive Medium-Power LED Lighting Systems, Fog Lights, Backup Lights, Daytime Running Lights, Position Lights, Sequential Lights
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (mm) | Flammability Rating | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | Pins (Value) (pcs) | Rows | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | 5.08 | – | – | – | – | – | – | – | – | – | – | 2 | Single | Pin Header | Straight | 3 | Bag | |
 | 61300311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | 7.62 | – | – | – | – | – | – | – | – | – | – | 3 | Single | Pin Header | Straight | 3 | Bag | |
 | 61300621121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Dual Pin Header | 7.62 | – | – | – | – | – | – | – | – | – | – | 6 | Dual | Pin Header | Straight | 3 | Bag | |
 | 865080645012 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ASLI Aluminum Electrolytic Capacitors | 7.7 | – | 47 µF | 50 | 2000 | -55 °C up to +105 °C | 230 | 700 | 23.5 | 12 | 6.3 | – | – | – | – | – | 15" Tape & Reel | ||
 | 97790803111 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SCRW Pan Head Screw w. cross slot M3 | 8 | UL94 V-2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Bulk |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 61300211121 | SPEC | – |
| 61300311121 | SPEC | – |
| 61300621121 | SPEC | – |
| 865080645012 | SPEC | |
| 97790803111 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (mm) | Flammability Rating | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | Pins (Value) (pcs) | Rows | Gender | Type | IR (A) | Packaging | Samples |
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