The TPS5130 is composed of three independent synchronous buck regulator controllers (SBRC) and one low dropout (LDO) regulator controller. On-chip high-side and low-side synchronous rectifier drivers are integrated to drive less expensive N-channel MOSFETs. The LDO controller can also drive an external N-channel MOSFET. Because the input current ripple is minimized by operating 180° out of phase, it allows a smaller input capacitance, resulting in reduced power supply cost. The SBRC of the TPS5130 automatically adjusts from PWM mode to SKIP mode to maintain high efficiency under light-load conditions. Resistorless current protection for the synchronous buck controller and the fixed high-side driver voltage simplifies the system design and reduces the external parts count. The LDO controller has a current-limit protection and overshoot protection to suppress output voltage spikes at load transient. To further extend battery life, the TPS5130 features dead-time control and very low quiescent current.

• Qualified for Automotive Applications
• Three Independent Step-Down DC/DC Controllers and One LDO Controller
• Input Voltage Range
  • Switcher: 4.5 V to 28 V
  • LDO: 1.1 V to 3.6 V
• Output Voltage Range
  • Switcher: 0.9 V to 8.5 V
  • LDO: 0.9 V to 2.5 V
• Synchronous for High Efficiency
• Precision Vref (±1.5%)
• PWM Mode Control : 500-kHz Operation (Max)
• Auto PWM/SKIP Mode Available
• High-Speed Error Amplifier
• Overcurrent Protection With Temperature Compensation Circuit for Each Channel
• Overvoltage and Undervoltage Protection
• Programmable Short-Circuit Protection
• Power Good Output (PGOUT) With Programmable Delay Time
• 5-V and 3.3-V Linear Regulators
• APPLICATIONS
  • Notebook PCs, PDAs
  • Consumer Game Systems
  • DSP Applications

• Vin (Min) (V)
• 4.5
• Vin (Max) (V)
• 28
• Vout (Min) (V)
• 0.9
• Vout (Max) (V)
• 8.5
• Iout (Max) (A)
• 15
• Iq (Typ) (uA)
• 2000
• Switching frequency (Min) (kHz)
• 50
• Switching frequency (Max) (kHz)
• 500
• Features
• Enable, Light Load Efficiency, Power Good, Synchronous Rectification
• Regulated outputs (#)
• 4
• Number of phases
• 1
• Rating
• Automotive

TPS5130-Q1的完整型号有：TPS5130QPTRQ1，以下是这些产品的关键参数及官网采购报价：

TPS5130QPTRQ1，工作温度：-40 to 125，封装：LQFP (PT)-48，包装数量MPQ：1000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TPS5130QPTRQ1的批量USD价格：2.706（1000+）

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PMP5538 — 使用 TPS5130-Q1 的 13.1W 三路同步降压控制器参考设计

PMP5538 是一种三路降压设计，采用 TPS5130-Q1 产生 3 路输出（1.2V/4.9A、1.8V/2.9A 和 1V/2A）。