The TPS51621 is a selectable dual or single-phase, fully compliant IMVP-6.5 step down controller with integrated gate drivers. Advanced control features such as D-CAP+ architecture and OSR overshoot reduction provide fast transient response, and lowest output capacitance. The TPS51621 also supports single-phase operation for light loads. The full complement of IMVP-6.5 I/O is integrated into the TPS51621, including VR_TT, DPRSLPVR, PSI and output current monitoring (IMON). PSI is used to control the number of active phases. Transitioning into and out of dual-phase mode is exceptionally smooth.

Adjustable control of V_CORE slew rate and voltage positioning round out the IMVP-6.5 features. In addition, the TPS51621 includes two high-current MOSFET gate drivers to drive high- and low-side N-channel MOSFETs with exceptionally high speed and low switching loss. The TPS51621 is packaged in a space saving, thermally enhanced 40-pin QFN and is rated to operate from -10°C to 105°C.

• Selectable Dual-or Single-Phase
• Selectable CPU or GPU Mode
• Minimum External Parts Count
• Full IMVP-6.5 Feature Set, Including VR_TT and Output Current Monitor (IMON)
• ±8 mV VCORE Accuracy Over Line/Load/Temp
• 7-Bit DAC
• Optimized Efficiency at Light and Heavy Loads
• Patented Output Overshoot Reduction (OSR) Reduces Output Capacitance
• Accurate, Adjustable Voltage Positioning
• Selectable 200/300/400/500 kHz Frequency
• Pat. Pending AutoBalance Phase Balancing
• Selectable 8-Level Current Limit
• 3-V to 28-V Conversion Voltage Range
• Fast MOSFET Driver w/Integrated Boost Diode
• Integrated Overvoltage Protection (OVP)
• Small 6 × 6, 40-Pin QFN PowerPAD Package
• APPLICATIONS
  • IMVP-6.5 VCORE Applications for Adapter, Battery, NVDC or 3 V/5 V/12 V Rails

• Vin (Min) (V)
• 3
• Vin (Max) (V)
• 28
• Vout (Min) (V)
• 0.3
• Vout (Max) (V)
• 1.5
• Iout (Max) (A)
• 60
• Iq (Typ) (uA)
• 2300
• Switching frequency (Min) (kHz)
• 200
• Switching frequency (Max) (kHz)
• 500
• Features
• Power Good
• Regulated outputs (#)
• 1
• Number of phases
• 2
• Rating
• Catalog

TPS51621的完整型号有：TPS51621RHAR、TPS51621RHAT，以下是这些产品的关键参数及官网采购报价：

TPS51621RHAR，工作温度：-10 to 105，封装：VQFN (RHA)-40，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TPS51621RHAR的批量USD价格：1.597（1000+）

TPS51621RHAT，工作温度：-10 to 105，封装：VQFN (RHA)-40，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网TPS51621RHAT的批量USD价格：1.916（1000+）

TPS51610, TPS51620-1 PSpice Model

PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助?PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。

在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)

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