TPS22950CQDDCRQ1 Complete Supplementary Datasheet Summary

1. Basic Identification

• Full Part Number: TPS22950CQDDCRQ1
• Device Family: TPS22950‑Q1 Automotive Grade Load Switch
• Status: Active (Production)
• Qualification: AEC‑Q100 Grade 1
• RoHS Compliance: Yes
• Operating Temperature: −40 °C to 125 °C
• Top Marking: 950Q
• Certification: UL 2367 (File No. E169910, 66 mA – 2.46 A)

2. Package & Mechanical Data

• Package Type: SOT‑23‑THIN (DDC)
• Pin Count: 6 pins
• Nominal Body Size: 2.90 mm × 2.80 mm
• Max Height: 1.1 mm
• Thermal Resistance (RθJA): 104.8 °C/W
• MSL Rating: Level 1, 260 °C peak reflow, unlimited floor life
• Lead Finish: SN

3. Packaging & Tape-and-Reel Specifications

3.1 Packaging Configuration

• Standard Pack Quantity (SPQ): 3000 units per reel
• Carrier: Large Tape and Reel (LARGE T&R)

3.2 Reel Dimensions (Nominal)

• Reel Diameter: 180.0 mm
• Reel Width (W1): 8.4 mm
• Carrier Tape Width (W): 8.0 mm
• Cavity Pitch (P1): 4.0 mm
• Cavity Length (A0): 3.2 mm
• Cavity Width (B0): 3.2 mm
• Cavity Height (K0): 1.4 mm
• Pin 1 Quadrant: Q3

3.3 Reel Box Dimensions (Nominal)

• Length: 210.0 mm
• Width: 185.0 mm
• Height: 35.0 mm

4. Absolute Maximum Ratings

• VIN, VOUT, VON, VFLT: −0.3 V to 6 V
• Continuous Output Current (IMAX): 2.7 A
• Pulsed Output Current (IMAX,PLS): 4.1 A (TJ = 85 °C, 2% duty cycle)
• Storage Temperature (TSTG): −65 °C to 150 °C
• Lead Soldering Temp (10 s): 300 °C

5. Recommended Operating Conditions

• Input Voltage (VIN): 1.8 V – 5.5 V
• Output Voltage (VOUT): 0 V – 5.5 V
• Current Limit (ILIM): 0.05 A – 3.5 A (typ)
• Ambient Temp (TA): −40 °C – 125 °C
• Junction Temp (TJ): −40 °C – 150 °C
• ON Pin High (VIH): 1 V – 5.5 V
• ON Pin Low (VIL): 0 V – 0.35 V

6. Key Electrical Characteristics

6.1 Supply Current

• Quiescent Current (IQ): 40 µA typ (ON, VIN = 5 V)
• Shutdown Current (ISD): 0.2 µA typ (OFF, 25 °C)

6.2 ON‑Resistance (RON)

• VIN = 5 V: 34 mΩ typ, 41 mΩ max
• VIN = 3.3 V: 41 mΩ typ, 51 mΩ max
• VIN = 1.8 V: 65 mΩ typ, 90 mΩ max

6.3 Current Limit (ILIM)

• Adjustable via external resistor to GND: ILIM = 1.18 × (RILIM)⁻¹·⁰⁷²
• Response time (tLIM): 5 µs typ

6.4 Reverse Current Blocking (RCB)

• Activation threshold: 44 mV typ (VOUT > VIN)
• Release threshold: 16 mV typ
• Response time (tRCB): 3 µs typ

6.5 Fault Indicator (FLT)

• Open‑drain, low in fault
• VOL, FLT: 0.1 V max at IFLT = 1 mA

6.6 Quick Output Discharge (QOD)

• 130 Ω typ (VIN = 5 V, OFF state)

6.7 Thermal Shutdown (TSD)

• Trigger: 170 °C (rising)
• Release: 150 °C (falling, hysteresis)

7. Switching Characteristics (Typical, 25 °C)

• tON (Turn‑on Time):
• tR (Rise Time):
• tOFF (Turn‑off Time):
• tFALL (Fall Time): ~118–130 µs
• Output Delay (tD): 415 µs (all VIN)

8. Pin Configuration (6‑Pin DDC SOT, Top View)

表格

9. Core Features

• Adjustable output current limit (0.05 A – 3.5 A)
• Always‑ON true reverse current blocking (RCB)
• Thermal shutdown with hysteresis
• Open‑drain fault indication (FLT)
• Smart ON‑pin pulldown (prevents floating)
• Slow turn‑on to minimize inrush current
• Quick output discharge (QOD) when disabled
• Ultra‑low quiescent and shutdown current

10. Typical Applications

• Automotive infotainment & cluster head units
• Automotive dashboard displays
• ADAS surround‑view ECUs
• Body control modules & gateways

11. Reliability & Handling

• ESD Rating: HBM ±2000 V; CDM ±500 V
• ESD Caution: Use proper ESD protection during handling
• Junction Temperature: −40 °C to 150 °C

12. Layout Guidelines

• Place RILIM close to ILIM pin and minimize ground loop
• Input/output capacitors near device to reduce parasitics
• Wide copper traces for VIN, VOUT, GND to improve thermal dissipation
• Minimize AC current loop area to reduce noise