LTM4680MPY#PBF - Dual 30A/Single 60A µModule Regulator | Analog Devices
料号： LTM4680MPY#PBF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $45 | $45.00 |
| 10 | $40.5 | $405.00 |
| 100 | $36 | $3,600.00 |
| 500 | $32.4 | $16,200.00 |
| 1,000 | $29 | $29,000.00 |
LTM4680MPY#PBF 概述
A µModule regulator is a complete power management solution that integrates the DC/DC controller, power transistors, inductors, and compensation circuitry into a single package, offering high efficiency and ease of use. It belongs to the broader category of power modules, which are essential in power management ICs for converting and regulating voltage in electronic systems.
Key features include a wide input voltage range of 4.5V to 16V, dual 30A or single 60A output capability, and an output voltage range of 0.5V to 3.3V. The device supports digital power system management via PMBus, enabling real-time monitoring of voltage, current, and temperature, as well as programmable margining and sequencing. The MP grade ensures operation over the -55°C to 125°C internal temperature range, making it suitable for harsh environments.
Technically, the LTM4680 employs a peak current mode architecture with integrated high-performance power stages, achieving efficiencies up to 90%. The PMBus interface allows precise control and telemetry, reducing external component count and improving system reliability. The module is designed for high-current applications such as FPGA, ASIC, and processor power supplies, where tight voltage regulation and fast transient response are critical.
Typical applications include telecom and networking equipment, data center servers, and industrial systems requiring high-density power conversion. The LTM4680MPY#PBF is ideal for powering FPGAs, GPUs, and CPUs in these environments, providing clean, stable power rails with minimal external components.
When designing with this module, ensure adequate thermal management by providing sufficient copper area and airflow, as the module dissipates significant heat at full load. The PMBus interface should be configured for proper sequencing and monitoring to optimize system performance.
直接替换替代料： LTM4680MPY#PBF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LTM4680MPY#PBF （相同外形与封装尺寸） ——差异在于 Output Type, Output Voltage Range, Package, Maximum Output Current, Input Voltage Range.
快速对比工具——选择替代料号进行并排对比：
LTM4680IY#PBF
✅ 直接替换✓ 有现货
$51 / 个
查看数据手册 →LTM4680EY#PBF
✅ 直接替换✓ 有现货
$32 / 个
查看数据手册 →LTM4630AEY#PBF
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LTM4644EY#PBF
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$27 / 个
查看数据手册 →MxL7218-ABA-T
✅ 直接替换📋 参考替代料（不在目录中）
LTM4680MPY#PBF 最大额定值与电气特性
| 输出类型 | Dual 30A or Single 60A |
| 输出电压范围 | 0.5 V to 3.3 V |
| 输入电压范围 | 4.5 V to 16 V |
| 最大输出电流 | 60 A (single) / 30 A per channel (dual) |
| 接口 | PMBus (I2C-based) |
| 效率 | Up to 90% (typical) |
| 工作温度范围 | -55°C to 125°C (internal) |
| 封装 | 16mm × 16mm × 5.01mm BGA |
| 安装类型 | Surface Mount |
| 输出数量 | 2 |
| Isolation | Non-Isolated PoL Module |
| RoHS 状态 | Compliant |
| Lead Free | Yes |
| Telemetry Monitoring | Yes (voltage, current, temperature) |
LTM4680MPY#PBF 引脚配置
| 引脚 A1 | VIN — Input voltage |
| 引脚 B1 | VOUT1 — Output 1 |
| 引脚 C1 | VOUT2 — Output 2 |
| 引脚 D1 | GND — Ground |
| 引脚 E1 | PMBUS — PMBus data |
| 引脚 F1 | PMBUS_CLK — PMBus clock |
| 引脚 G1 | RUN — Enable |
| 引脚 H1 | VOUT_SENSE — Output sense |
典型应用
LTM4680MPY#PBF 适用于 6 应用s: FPGA Power Supply, ASIC Power Supply, Telecom Equipment, Data Center Servers, Industrial Automation, Military & Aerospace.
FPGA Power Supply
The LTM4680MPY#PBF provides dual 30A or single 60A output with PMBus telemetry, ideal for powering high-current FPGAs. Its 0.5V to 3.3V output range covers core and I/O voltages, while the digital interface enables precise voltage margining and sequencing. The module's high efficiency reduces thermal stress, and the compact BGA package saves board space in dense designs.
推荐
ASIC Power Supply
For ASICs requiring up to 60A, the LTM4680MPY#PBF delivers high current with tight regulation. The PMBus interface allows real-time monitoring of voltage and current, essential for ASIC reliability. Its wide input range (4.5V to 16V) accommodates various intermediate bus voltages, and the module's integrated inductors reduce EMI.
推荐
Telecom Equipment
In telecom systems, the LTM4680MPY#PBF powers line cards and base stations with high efficiency and reliability. Its -55°C to 125°C temperature range ensures operation in harsh outdoor environments. The PMBus interface enables remote management, reducing maintenance costs. The module's high current density supports compact board designs.
推荐
Data Center Servers
The LTM4680MPY#PBF is ideal for data center servers powering CPUs and GPUs. Its dual 30A outputs can supply separate rails, while PMBus telemetry allows dynamic voltage scaling for energy efficiency. The module's high efficiency reduces cooling requirements, and its compact size enables high-density server designs.
推荐
Industrial Automation
In industrial automation, the LTM4680MPY#PBF provides robust power for PLCs and motor controllers. Its wide temperature range and high reliability make it suitable for factory floors. The PMBus interface enables predictive maintenance through telemetry. The module's integrated design simplifies compliance with industrial standards.
推荐
Military & Aerospace
The LTM4680MPY#PBF's military temperature grade (-55°C to 125°C) makes it suitable for defense and aerospace applications. It powers radar systems, avionics, and satellite equipment where reliability is critical. The PMBus interface allows secure configuration and monitoring. The module's rugged BGA package withstands vibration and thermal cycling.
推荐
推荐产品汇总
工程参考数据： LTM4680MPY#PBF ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LTM4680IY#PBF | LTM4680EY#PBF | LTM4630AEY#PBF | LTM4644EY#PBF | MxL7218-ABA-T |
|---|---|---|---|---|---|---|
| Package | 16mm × 16mm × 5.01mm BGA | 16mm × 16mm × 5.01mm BGA | 16mm × 16mm × 5.01mm BGA | 16mm × 16mm × 5.01mm BGA | 16mm × 16mm × 5.01mm BGA | 16mm × 16mm × 5.01mm BGA |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | MaxLinear |
关键差异点
- Military temperature grade (-55°C to 125°C) （对比 LTM4680IY#PBF)
- Higher output current than LTM4630AEY#PBF （对比 LTM4630AEY#PBF)
- PMBus telemetry for digital power management （对比 MxL7218-ABA-T)
设计说明
The LTM4680MPY#PBF can dissipate significant power at full load. For example, at 60A output and 1V, power loss is approximately 6W (assuming 90% efficiency). Ensure adequate PCB copper area and airflow to keep the internal temperature within the -55°C to 125°C range. Use thermal vias under the module to enhance heat transfer.
Place input and output capacitors close to the module pins to minimize parasitic inductance. Use low-ESR ceramic capacitors for high-frequency decoupling. The PMBus lines should be routed with proper pull-up resistors and kept away from noisy switching nodes to ensure reliable communication.
Do not exceed the absolute maximum input voltage of 16V. Ensure the PMBus address is correctly configured to avoid conflicts on the bus. When paralleling modules for higher current, follow the manufacturer's guidelines for current sharing and phase interleaving to prevent thermal imbalance.
合规信息
RoHS compliant per Analog Devices product page. Lead-free indicated by #PBF suffix. Other compliance data not specified in provided sources.
