MP24833-AGN-Z - 55V 3A White LED Driver | MPS
N.º da peça: MP24833-AGN-Z ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MP24833-AGN-Z Visão geral
A white LED driver is a power-management IC that regulates current through an LED string by converting electrical energy from an input supply into controlled LED power. This device belongs to the LED-driver hierarchy, combining a switching regulator, current-regulation control, dimming interface, and fault protection in one package. It is designed for high-current lighting systems where stable illumination and compact implementation are important.
The MP24833-AGN-Z provides a 3 A LED output-current capability, a 55 V maximum input rating, and operation around 200 kHz according to distributor listings. Its control interface supports DC and PWM dimming through a shared control pin. Current-mode operation is used to provide fast transient response and simplify loop stabilization. Fault protection includes thermal shutdown and cycle-by-cycle peak-current limiting, helping the regulator respond to abnormal operating conditions.
The part is particularly useful for high-voltage LED lighting, automotive lighting, backlighting, and general illumination systems where the LED string may require buck, boost, or buck-boost conversion. The SOIC-8-EP package provides an exposed thermal pad for improved heat transfer, although proper PCB copper and thermal layout remain necessary. The package is surface mount and is identified in distributor records as SOIC-8-EP.
Designers should select the external inductor, diode, sense resistor, and compensation components according to the selected topology and LED-string requirements. Inductor saturation current must exceed the peak switch current, while the LED current-setting network must preserve regulation across the expected load range. The exposed pad should be connected to the appropriate ground plane and thermal copper according to the manufacturer package guidance.
This product page combines the verified manufacturer and distributor descriptions with practical topology, thermal, layout, and component-selection guidance. It is intended to support design review and sourcing decisions for engineers evaluating a compact 55 V, 3 A LED-driver solution.
Alternativas drop-in para MP24833-AGN-Z — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MP24833-A
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MP24833-AGN
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MP24833-AGN-Z
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MP24833
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MP24833-A
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MP24833-AGN-Z Classificações máximas e características elétricas
| Input Voltage Maximum | 55 V |
| LED Output Current | 3 A |
| Frequência de comutação | 200 kHz |
| Topologia | Step-down, boost, and inverting step-up/step-down |
| Control Method | Current mode |
| Dimming | DC and PWM dimming through shared control pin |
| Integrated Power Device | Internal power MOSFET |
| Output Regulation | Excellent load and line regulation |
| Protection | Thermal shutdown and cycle-by-cycle peak-current limiting |
| Encapsulamento | 8-pin SOIC-EP |
| Tipo de montagem | Surface mount |
| Switching Frequency Detail | Approximately 200 kHz according to distributor data; exact nominal frequency from manufacturer datasheet |
| Input Supply Range | Wide input supply range; exact minimum and maximum values require manufacturer datasheet confirmation |
| Status RoHS | Compliant according to a third-party component listing |
Guia de Configuração de Pinos do MP24833-AGN-Z 8-pin soic-ep
Configuração de pinos para MP24833-AGN-Z (pacote 8-pin soic-ep). Este dispositivo de potência possui terminais de gate, drain e source. Para pacotes não polarizados, consulte o datasheet do fabricante para a orientação exata do pino 1 e detalhes do footprint. Aplicações comuns incluem projeto de fontes de alimentação, acionamento de motores e comutação de cargas.
Nenhum dado detalhado de pinagem disponível para MP24833-AGN-Z.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MP24833-AGN-Z é adequado para 6 aplicaçãos: Automotive LED Headlamp and Tail-Lamp Lighting, High-Bay and Industrial LED Illumination, Architectural and Commercial LED Lighting, LCD Backlight and Display Illumination, Automotive Interior Accent and Ambient Lighting, Portable and Battery-Powered LED Lighting.
Automotive LED Headlamp and Tail-Lamp Lighting
MP24833-AGN-Z fits higher-voltage vehicle LED lighting systems because its 55 V input rating and 3 A LED-current capability support substantial LED strings. The internal power MOSFET reduces the external switching-component count, while current-mode control and cycle-by-cycle peak-current limiting help control fault conditions. A buck, boost, or inverting topology can be selected according to battery-bus and LED-string voltage requirements. The exposed SOIC-8-EP pad should be connected to a well-designed thermal copper area, and automotive qualification, temperature range, and transient requirements must be confirmed separately.
Recomendado
High-Bay and Industrial LED Illumination
The MP24833-AGN-Z can drive high-current LED arrays used in high-bay, shop, warehouse, and industrial fixtures. Its 3 A output-current capability provides useful margin for multi-string lighting systems, while the flexible topology selection supports different input-bus and LED-string voltage combinations. Current-mode operation helps simplify compensation and provides fast transient response. Thermal design remains important because LED-driver dissipation depends on input-to-output voltage difference, current, switching losses, and PCB heat spreading; the SOIC-8-EP package should be used with the manufacturer’s exposed-pad layout guidance.
Recomendado
Architectural and Commercial LED Lighting
MP24833-AGN-Z is suitable for architectural, retail, and commercial LED luminaires that need adjustable brightness from a compact driver IC. The shared control pin supports DC and PWM dimming, allowing the same driver architecture to serve constant-current analog control and pulse-width-modulated dimming systems. The 55 V input capability can accommodate higher-voltage distribution or driver input rails, while the 3 A current rating supports multi-LED strings. Choose external inductors, diodes, sense resistors, and capacitors according to the LED voltage and required ripple, and validate dimming linearity across the intended control range.
Recomendado
LCD Backlight and Display Illumination
The MP24833-AGN-Z can be evaluated for LED backlighting where the backlight requires constant-current regulation and adjustable brightness. The DC/PWM control capability supports dimming strategies used in display and monitor designs, while the internal MOSFET and minimal external-component approach help reduce board area. Actual suitability depends on the backlight LED string voltage, number of strings, required current, dimming ratio, and whether the display requires a specific sequencing or fault-detection protocol. Validate ripple, flicker, start-up behavior, and thermal performance in the final mechanical enclosure.
Recomendado
Automotive Interior Accent and Ambient Lighting
MP24833-AGN-Z can support interior LED accent, ambient, and decorative lighting where dimming control and compactness are important. The shared DC/PWM dimming input allows brightness adjustment from a microcontroller, analog control signal, or timer-generated PWM. The 55 V input rating offers additional headroom for vehicle electrical environments, while the 3 A current capability can serve longer LED strips or multiple parallel strings. Designers must confirm operating-temperature limits, load-dump behavior, EMI filtering, and any automotive qualification requirements before production use.
Recomendado
Portable and Battery-Powered LED Lighting
MP24833-AGN-Z is appropriate for battery-fed LED lamps and portable lighting systems where the LED-string voltage may be above, below, or around the battery voltage. The flexible buck, boost, and inverting step-up/step-down capability lets the designer optimize conversion direction instead of forcing one topology across all battery states. The 3 A capability supports brighter LED strings, but battery runtime depends on conversion efficiency, quiescent behavior, and thermal losses. Use low-ESR compensation and current-sense components appropriate to the selected topology, and verify startup behavior across the battery’s minimum and maximum voltage.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MP24833-AGN-Z — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MP24833-A | MP24833-AGN | MP24833 | MP24833-A |
|---|---|---|---|---|---|
| Brand | Monolithic Power Systems Inc. | Monolithic Power Systems Inc. | Monolithic Power Systems Inc. | Monolithic Power Systems Inc. | Monolithic Power Systems Inc. |
| Package | SOIC-8-EP | SOIC-8-EP | SOIC-8-EP | SOIC-8-EP | SOIC-8-EP |
| Maximum Input Voltage | 55 V | 55 V | 55 V family rating; confirm suffix | 55 V | 55 V |
| LED Output Current | 3 A | 3 A | 3 A family rating; confirm suffix | 3 A | 3 A |
| Switching Frequency | Approximately 200 kHz | Approximately 200 kHz family rating | Approximately 200 kHz family rating | Approximately 200 kHz family rating | Approximately 200 kHz family rating |
| Supported Topologies | Step-down, boost, inverting step-up/step-down | Step-down, boost, inverting step-up/step-down | Family architecture; confirm exact suffix | Step-down, boost, inverting step-up/step-down | Family architecture |
| Integrated Power Device | Internal power MOSFET | Internal power MOSFET | Internal power MOSFET family feature | Internal power MOSFET | Internal power MOSFET |
| Dimming Interface | DC and PWM dimming on shared control pin | DC and PWM dimming on shared control pin | Family feature; confirm exact suffix | DC and PWM dimming on shared control pin | Family feature |
| Protection Features | Thermal shutdown and cycle-by-cycle peak-current limiting | Thermal shutdown and cycle-by-cycle peak-current limiting | Family protection; confirm exact suffix | Thermal shutdown and cycle-by-cycle peak-current limiting | Family protection |
Principais diferenciais
- Supports three LED-converter topologies in one family (vs MP24833-A)
- Integrated power MOSFET reduces external switch count (vs MP24833)
- Shared DC/PWM dimming control simplifies brightness interfaces (vs MP24833-AGN)
- Built-in fault handling supports safer abnormal operation (vs MP24833-A)
Notas de projeto
Estimated thermal design must begin with the actual input voltage, LED-string voltage, output current, and efficiency estimate. The dissipated power in the driver is approximately P_D = P_out × (1/η − 1), where P_out equals LED voltage times LED current. Use the manufacturer’s exposed-pad land pattern and provide copper area and thermal vias beneath the SOIC-8-EP pad. Do not treat the package rating as a guarantee of allowable dissipation without checking the PCB thermal resistance and maximum junction temperature.
Place the switching loop components—inductor, switching device connection, current-sense path, and power-return components—as close as practical to the IC. Keep the exposed pad connected to a solid ground or thermal copper region according to the manufacturer package drawing, and place thermal vias where they do not compromise the selected power-loop layout. The exact pin assignments are not reproduced here because the verified data does not include a public pin table; use the current manufacturer datasheet before routing the PCB.
Do not select the topology from the nominal battery or bus voltage alone. LED forward voltage changes with temperature and device bin, so verify regulation across minimum input, maximum input, open-LED-string, short-LED-string, and startup conditions. The verified web summaries do not provide the complete electrical limit table, reference voltage, duty-cycle limits, or minimum operating input; obtain the current manufacturer datasheet before finalizing resistor values, inductor ratings, diode reverse voltage, and compensation.
LED drivers can generate conducted and radiated EMI through high-dv/dt switch nodes and the high-current LED loop. Keep the switch node physically small, route high-current paths with short and wide traces, use a continuous ground reference, and place input filtering close to the IC. In dimmable systems, keep PWM return current controlled so the dimming signal does not inject noise into the LED cable or adjacent analog circuits. Validate EMI with the final LED load and enclosure rather than only on a bench with a short harness.
The MP24833-AGN-Z integrates a power MOSFET, but the external power path still determines real-world stress. Verify inductor saturation current above the maximum peak switch current, diode reverse-voltage rating with transient margin, current-sense resistor power dissipation, and capacitor voltage ratings. Startup current, inrush behavior, and open-load behavior should be tested with the actual LED harness. These checks are especially important for boost and inverting topologies, where voltage stress can exceed the nominal output level.
Informações de conformidade
RoHS compliance is reported by a third-party component listing, while the verified manufacturer and distributor summaries do not provide complete REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. Confirm current compliance documentation with the manufacturer before regulated production.
