LTM4680IY#PBF - Dual 30A or Single 60A µModule Regulator | Analog Devices
N.º da peça: LTM4680IY#PBF ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $65.13 | $65,13 |
| 10 | $61.5 | $615,00 |
| 100 | $58 | $5.800,00 |
| 500 | $54.5 | $27.250,00 |
| 1.000 | $51 | $51.000,00 |
LTM4680IY#PBF Visão geral
A µModule (micro-module) is a complete power management solution that integrates the DC/DC controller, power transistors, inductors, and compensation components into a single package, offering high efficiency and ease of use. The LTM4680 belongs to the family of digital power system management (PSM) modules, which enable real-time monitoring and control of voltage, current, and temperature via PMBus, enhancing system reliability and energy efficiency.
Key features include PMBus-compliant digital interface for configuration and telemetry, dual 30A or single 60A output capability, wide input voltage range of 4.5V to 16V, and adjustable output voltage from 0.5V to 3.3V. The module achieves high efficiency, reducing power loss in demanding applications. It also includes programmable switching frequency, phase interleaving, and fault protection features such as overvoltage, overcurrent, and overtemperature protection.
Technically, the LTM4680 integrates a high-performance synchronous step-down controller with integrated power MOSFETs and inductors, enabling a compact solution with excellent thermal performance. The BGA-144 package provides a low-inductance interconnect and efficient heat spreading, supporting high current density. The digital interface allows precise voltage margining, sequencing, and monitoring, which is essential for complex multi-rail systems.
Typical applications include high-current FPGA, ASIC, and processor power supplies in telecommunications, data center, and industrial equipment, where precise voltage regulation and monitoring are critical. The module's ability to parallel channels for higher current makes it suitable for powering advanced processors and GPUs.
When designing with the LTM4680, ensure adequate input and output capacitance to maintain stability and meet transient requirements. The PMBus interface requires careful layout to avoid noise coupling, and thermal management should consider the module's power dissipation at high loads.
Alternativas drop-in para LTM4680IY#PBF — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com LTM4680IY#PBF (mesmo formato e footprint) — diferindo em Output Type, Output Voltage Range, Package, Isolation, Maximum Output Current.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
LTM4680EY#PBF
✅ Drop-In✓ Em estoque
$32 / unidade
Ver ficha técnica →LTM4680IY#PBF/NOPB
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
LTM4680IY-XX#PBF
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
LTM4650AIY-1#PBF
⚡ Mesmo encapsulamento📋 Alternativa de referência (fora do catálogo)
LTM4676IY#PBF
⚡ Mesmo encapsulamento✓ Em estoque
$27.2 / unidade
Ver ficha técnica →LTM4680IY#PBF Classificações máximas e características elétricas
| Tipo de saída | Dual (2 outputs) |
| Faixa de tensão de saída | 0.5 V to 3.3 V per channel |
| Corrente máxima de saída | 30 A per channel, 60 A single |
| Faixa de tensão de entrada | 4.5 V to 16 V |
| Interface | PMBus (I2C-based) |
| Encapsulamento | BGA-144 |
| Tipo de montagem | Surface Mount |
| Faixa de temperatura de operação | -40°C to 125°C (internal) |
| Status RoHS | Compliant |
| Número de saídas | 2 |
| Isolation | Non-Isolated |
| Recursos de controle | Digital Power System Management |
| Protection Features | Overvoltage, Overcurrent, Overtemperature |
Configuração de pinos do LTM4680IY#PBF
| Pino A1 | VIN — Input supply voltage |
| Pino A2 | VOUT1 — Output 1 voltage |
| Pino A3 | VOUT2 — Output 2 voltage |
| Pino B1 | GND — Ground |
| Pino B2 | SDA — PMBus data line |
| Pino B3 | SCL — PMBus clock line |
| Pino C1 | ALERT — PMBus alert output |
| Pino C2 | RUN — Enable control |
| Pino C3 | SYNC — External clock sync |
| Pino D1 | VOUTS1 — Output 1 sense |
| Pino D2 | VOUTS2 — Output 2 sense |
| Pino D3 | VIN_SENSE — Input voltage sense |
Aplicações típicas
LTM4680IY#PBF é adequado para 6 aplicaçãos: FPGA and ASIC Power Supplies, Telecommunications Equipment, Data Center Servers, Industrial Automation, Medical Imaging Systems, Automotive Test Equipment.
FPGA and ASIC Power Supplies
The LTM4680IY#PBF provides high-current, low-voltage rails (0.5V to 3.3V) with PMBus monitoring, ideal for powering FPGAs and ASICs. Its dual 30A outputs can be paralleled for 60A, meeting the demands of high-performance logic devices. The digital interface enables precise voltage margining and sequencing, ensuring reliable operation.
Recomendado
Telecommunications Equipment
In telecom systems, the LTM4680IY#PBF powers base stations and network processors with high efficiency and remote monitoring. Its wide input range (4.5V to 16V) accommodates various bus voltages, and PMBus telemetry allows real-time health monitoring, reducing downtime and improving system reliability.
Recomendado
Data Center Servers
The LTM4680IY#PBF is ideal for data center servers requiring high-current, low-voltage power for CPUs and GPUs. Its dual 30A outputs can be configured for 60A, and PMBus enables dynamic voltage scaling and power capping, improving energy efficiency. The compact BGA-144 package saves board space in dense server designs.
Recomendado
Industrial Automation
In industrial automation, the LTM4680IY#PBF provides robust power for PLCs and motor controllers. Its industrial temperature grade (-40°C to 125°C) ensures reliable operation in harsh environments. PMBus monitoring allows predictive maintenance, and the high efficiency reduces thermal stress in enclosed cabinets.
Recomendado
Medical Imaging Systems
The LTM4680IY#PBF powers advanced medical imaging equipment such as MRI and CT scanners, where precise voltage regulation is critical. Its low noise and high efficiency ensure stable operation, and PMBus telemetry enables remote diagnostics. The wide input range and high current capability support demanding imaging processors.
Recomendado
Automotive Test Equipment
The LTM4680IY#PBF is used in automotive test systems requiring high-current, programmable power supplies. Its PMBus interface allows automated voltage margining and monitoring, essential for testing ECUs and infotainment systems. The industrial temperature grade ensures reliability in test environments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para LTM4680IY#PBF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | LTM4680EY#PBF | LTM4650AIY-1#PBF | LTM4676IY#PBF |
|---|---|---|---|---|
| Package | BGA-144 | BGA-144 | BGA-144 | BGA-144 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Output Current (Max) | 60A (single) | 60A (single) | 50A (single) | 26A (single) |
| Input Voltage Range | 4.5V to 16V | 4.5V to 16V | 4.5V to 16V | 4.5V to 17V |
| Output Voltage Range | 0.5V to 3.3V | 0.5V to 3.3V | 0.5V to 3.3V | 0.5V to 3.3V |
| PMBus Interface | Yes | Yes | Yes | Yes |
| Temperature Grade | Industrial (-40°C to 125°C) | Commercial (0°C to 125°C) | Industrial (-40°C to 125°C) | Industrial (-40°C to 125°C) |
| Number of Outputs | 2 | 2 | 2 | 2 |
Principais diferenciais
- Higher output current capability (60A) compared to LTM4650AIY-1#PBF (50A) (vs LTM4650AIY-1#PBF)
- Industrial temperature grade (-40°C to 125°C) vs commercial grade of LTM4680EY#PBF (vs LTM4680EY#PBF)
- Dual 30A outputs with PMBus, offering more flexibility than LTM4676IY#PBF's 26A total (vs LTM4676IY#PBF)
Notas de projeto
Ensure adequate input and output capacitance to handle transient loads. The LTM4680IY#PBF requires low-ESR ceramic capacitors at the input and output to maintain stability and minimize voltage ripple. Refer to the datasheet for recommended capacitor values and placement.
The LTM4680IY#PBF can dissipate significant power at high currents. Use a proper thermal design with adequate PCB copper area and vias to transfer heat away from the BGA-144 package. Consider airflow or heatsinking for applications exceeding 30A per channel.
For PMBus communication, keep SDA and SCL traces short and shielded from noisy power traces. Use pull-up resistors as specified in the datasheet. Place the module close to the load to minimize parasitic inductance and improve transient response.
Informações de conformidade
RoHS compliant per distributor data. Lead-free version available as LTM4680IY#PBF/NOPB.
