ADP3159JRU-REEL7 - 4-Bit Programmable Buck Controller | Analog Devices
料号： ADP3159JRU-REEL7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.6825 | $0.68 |
| 10 | $0.6825 | $6.83 |
| 100 | $0.6825 | $68.25 |
| 500 | $0.6825 | $341.25 |
| 1,000 | $0.6825 | $682.50 |
| 3,000 | $0.6825 | $2,047.50 |
ADP3159JRU-REEL7 概述
A synchronous buck controller is a DC-DC power-management device that controls external high-side and low-side switching transistors. The high-side device charges the output inductor during one switching interval, while the low-side device provides synchronous rectification during the complementary interval. This topology belongs to the switching-regulator and DC-DC-converter hierarchy and is widely used where processor rails require programmable voltage, high transient performance, and efficient power delivery.
The ADP3159 family uses Analog Devices Optimal Positioning Technology, identified in the supplied results as ADOPT. Active voltage positioning adjusts the output response during load transitions to improve transient behavior and help meet demanding processor voltage specifications. The verified results describe four-bit digital programmability and a programmable 2.05 V output configuration, while the controller architecture is intended for low-voltage processor power rails.
The ADP3159 is designed around a 5 V main supply, making it suitable for systems that distribute a common 5 V rail and then regulate it downward for processors, programmable logic, memory, and other digital loads. Its programmable control interface can support platform-level output-voltage configuration, reducing the need for fixed-voltage rails when a system requires multiple operating points. The controller approach also separates control from the power stage, allowing the external MOSFETs and inductor to be selected for the required current level.
Typical applications include desktop and server processor cores, embedded computing modules, industrial controllers, communications equipment, and other systems requiring a controlled synchronous buck rail. The controller should be paired with external N-channel switching devices, inductor, input capacitors, output capacitors, and feedback or programming circuitry specified by the manufacturer datasheet. External power-stage component selection affects efficiency, transient response, ripple, thermal performance, and physical board area.
Design attention should focus on the external MOSFET gate-drive path, inductor current capability, capacitor ESR and ripple rating, and layout separation of high-current switching nodes from sensitive feedback traces. The verified material identifies a TSSOP-20 package but does not provide complete electrical ratings, pin names, or a complete pinout table. Those values must be confirmed against the manufacturer datasheet before layout or replacement decisions are finalized.
This product page consolidates the verified ADP3159 family function, package information, programming concept, and ADP3159JRU-REEL7 availability data. It is intended to support initial design review and sourcing; final schematic, compensation, thermal, and production qualification should rely on the current Analog Devices datasheet and application guidance.
直接替换替代料： ADP3159JRU-REEL7 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
ADP3179JRU-REEL7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADP3159JRU-REEL
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADP3041ARUZ-REEL
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADP3170JRUZ-REEL7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADP3159
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADP3159JRU-REEL7 最大额定值与电气特性
| Product Type | 4-bit programmable synchronous buck switching controller |
| Input Supply | 5 V main supply |
| Output Function | Programmable synchronous buck conversion |
| Programmable Output Voltage | 2.05 V |
| Control Interface | 4-bit digitally programmable |
| Control Technology | ADOPT active voltage positioning |
| Switching Topology | Synchronous buck |
| External Switch Type | N-channel |
| Application Target | High-performance processor core supplies |
| 封装 | 20-pin TSSOP, 4.40 mm width |
| 安装类型 | Surface mount |
| Package Code | TSSOP |
| Terminal Count | 20 terminals |
| Product Classification | DC-DC switching controller |
| Load Transient Capability | ADOPT active voltage positioning |
| VRM Reference | VRM 8.4 specifications referenced in search results |
ADP3159JRU-REEL7 tssop 引脚配置指南
ADP3159JRU-REEL7（tssop 封装）的引脚配置。 该功率器件具有栅极、漏极和源极端子。对于无极性封装，请参阅制造商数据手册以了解确切的引脚 1 方向和封装尺寸细节。常见应用包括电源设计、电机驱动和负载开关。
暂无详细引脚数据： ADP3159JRU-REEL7.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADP3159JRU-REEL7 适用于 6 应用s: High-Performance Processor Core Rail, Programmable Logic and FPGA Power, Industrial Embedded Control Module, Communications and RF Support Rails, Automotive Electronics Module, Server and Network Equipment.
High-Performance Processor Core Rail
The ADP3159JRU-REEL7 is designed to convert a 5 V main supply into the core voltage required by high-performance processors. Its 4-bit programmable output configuration allows a system to select a 2.05 V operating point and other programmed states where supported, while ADOPT active voltage positioning is intended to improve load-transient response. In a processor board, the controller would drive external N-channel MOSFETs, an inductor, and output capacitors to create the regulated rail. The final design must verify the processor's voltage range, current, ripple limit, startup sequence, and compensation requirements against the complete datasheet.
推荐
Programmable Logic and FPGA Power
The ADP3159JRU-REEL7 can support programmable-logic or FPGA power architectures where a 5 V distribution rail is converted into a lower, configurable core voltage. The verified family description identifies four-bit digital programmability and active voltage positioning, making the controller suitable when the load state or operating mode requires controlled voltage changes. The external power stage remains important: select MOSFETs and an inductor for the desired current and efficiency, and size output capacitors for ripple and transient requirements. Confirm the exact controller functions, supported programming levels, and pin connections in the manufacturer datasheet before layout.
推荐
Industrial Embedded Control Module
An industrial controller module can use the ADP3159JRU-REEL7 to derive a processor core rail from a common 5 V input. The synchronous-buck architecture is appropriate for systems that need efficient point-of-load conversion near digital logic, while the programmable control interface can support platform configuration. Industrial temperature, transient, and EMC requirements are not fully specified in the supplied verified data, so the design must confirm the controller's operating-temperature and electrical limits. External filtering, grounding, shielding, and fault-response planning should follow the system requirements and the datasheet reference layout.
推荐
Communications and RF Support Rails
The ADP3159JRU-REEL7 may be used in communications equipment as a programmable digital supply for processors, control logic, or RF-support circuitry fed from a 5 V rail. Its active voltage positioning feature is relevant where digital load changes can disturb sensitive system rails. The controller should be placed according to the manufacturer layout guidance, with high-current switching paths kept away from feedback, analog, and RF-related traces. Because the supplied data does not provide complete noise, current, or thermal limits, engineers should not infer RF suitability solely from the device family description.
推荐
Automotive Electronics Module
The ADP3159JRU-REEL7 can be evaluated for automotive electronic modules that derive a programmable processor rail from a 5 V supply, but the verified data does not state whether the exact orderable part is AEC-Q100 qualified. That qualification must be confirmed with Analog Devices before using the part in an automotive design. The power stage also needs automotive-appropriate transient protection, thermal margin, grounding, and fault behavior beyond what is visible in the supplied search results. Treat this as an engineering evaluation application rather than evidence of automotive qualification.
推荐
Server and Network Equipment
A server or network-equipment board can use the ADP3159JRU-REEL7 for a programmable point-of-load processor supply when the board begins with a 5 V main rail. The synchronous-buck format is useful where multiple high-performance digital loads share a controlled distribution architecture. ADOPT positioning may help manage rapid load transitions, while the controller's programmable interface can simplify multiple operating-point schemes. Designers must still validate current capacity, thermal performance, startup behavior, ripple, fault response, and the external power-stage layout using the complete manufacturer documentation.
推荐
推荐产品汇总
工程参考数据： ADP3159JRU-REEL7 ——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 | ADP3179JRU-REEL7 | ADP3159JRU-REEL | ADP3041ARUZ-REEL | ADP3170JRUZ-REEL7 | ADP3159 |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 20-pin TSSOP | 20-pin TSSOP family package; exact pinout unverified | 20-pin TSSOP family package; exact pinout unverified | 20-pin TSSOP family package; exact pinout unverified | 20-pin TSSOP family package; exact pinout unverified | 20-pin TSSOP family package; exact pinout unverified |
关键差异点
- Programmable processor-rail control （对比 ADP3179JRU-REEL7)
- ADOPT active voltage positioning （对比 ADP3041ARUZ-REEL)
- Processor-focused 5 V conversion （对比 ADP3170JRUZ-REEL7)
设计说明
Treat the ADP3159JRU-REEL7 as a controller, not a complete power supply. Select the external high-side and low-side N-channel MOSFETs, inductor, input capacitors, and output capacitors for the required output current, switching frequency, ripple target, and efficiency. Because the verified data does not state maximum current or switching frequency, do not size the power stage from assumptions. Use the current Analog Devices datasheet and its recommended application circuit as the controlling reference, then verify MOSFET voltage rating, inductor saturation current, capacitor ripple current, and thermal rise.
Follow the manufacturer reference layout for gate-drive, switching-node, inductor, capacitor, and feedback connections. Keep the high-current switching loop compact and keep noisy switching copper away from feedback and control traces. Place input decoupling close to the external power stage, and route high-current paths with sufficient copper width to control voltage drop and temperature rise. The supplied data does not include a complete pinout or layout drawing, so schematic and placement decisions must be checked against the exact ADP3159 family datasheet before fabrication.
Do not substitute a same-package controller solely because its TSSOP outline matches. Verify pin names, programming logic, output-voltage range, gate-drive requirements, feedback method, switching frequency, current capability, and compensation strategy. The verified search results identify ADP3179 and other ADP-series parts for comparison but do not prove pin-for-pin equivalence. A package-compatible replacement can still fail at the electrical level if its control interface or power-stage requirements differ.
Thermal assessment must include the controller, external MOSFETs, inductor, and capacitors because the ADP3159JRU-REEL7 is a controller in a discrete power stage. Estimated: with input voltage VIN, output voltage VOUT, and load current IOUT, the ideal conversion loss estimate is Pideal-extra = (VIN - VOUT) x IOUT, while actual loss also includes switching, conduction, gate-drive, and magnetic losses. Use measured or datasheet-derived parameters for a final thermal calculation; the supplied data does not provide enough electrical detail for a reliable junction-temperature result.
Preserve clean control and feedback signals by minimizing loop area around the controller, power switches, inductor, and high-frequency capacitor. Keep the switching node physically separated from analog, RF, and low-level feedback paths, and use a quiet ground strategy appropriate to the board stackup. ADOPT positioning can improve transient response, but poor layout can still produce ringing, oscillation, or unstable load behavior. Validate switching waveforms and regulation with an appropriate load, probe technique, and thermal condition.
合规信息
The supplied verified results confirm product identity, function, package, and one distributor price, but do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance fields are therefore unknown.
