Automotive Catalog Dual Pulse-Width-Modulation Control Circuits 16-TSSOP -40 to 125 The TL1451AQPWRQ1 is a dual pulse-width modulation (PWM) controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** TL1451AQPWRQ1
- **Category:** PMIC - Voltage Regulators - DC DC Switching Controllers
- **Type:** Dual PWM Controller
- **Output Type:** Transistor Driver
- **Topology:** Buck, Boost, Flyback, Forward
- **Number of Outputs:** 2
- **Output Phases:** 1
- **Voltage - Supply (Vcc/Vdd):** 3.6V to 40V
- **Frequency - Switching:** 500kHz (Max)
- **Duty Cycle (Max):** 95%
- **Synchronous Rectifier:** No
- **Clock Sync:** No
- **Operating Temperature:** -40°C to 125°C
- **Package / Case:** TSSOP-16
- **Mounting Type:** Surface Mount
### **Descriptions:**
- The TL1451AQPWRQ1 is an automotive-qualified, dual PWM controller designed for DC-DC converter applications.
- It features two independent control circuits, each with an error amplifier, PWM comparator, and adjustable oscillator.
- Suitable for step-up (boost), step-down (buck), and inverting power supply designs.
- Includes undervoltage lockout (UVLO), short-circuit protection, and soft-start functionality.
### **Features:**
- **Dual PWM Control:** Two independent PWM channels for flexible power supply designs.
- **Wide Input Voltage Range:** 3.6V to 40V operation.
- **Adjustable Oscillator Frequency:** Up to 500kHz.
- **Error Amplifiers:** High-gain op-amps for precise voltage regulation.
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.
- **Short-Circuit Protection:** Improves system reliability.
- **Soft-Start Capability:** Reduces inrush current during startup.
- **Automotive Qualified:** AEC-Q100 compliant for automotive applications.
This information is strictly based on the manufacturer's datasheet and specifications.
