Specifications
| Type | Description |
|---|---|
| Part Number | TPS22901 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Component Type | Power_IC |
| Package / Case | 4-pin DSBGA (YFP), 0.80 mm x 0.80 mm, 0.4-mm pitch, 0.5-mm height |
| Input Voltage Range | 1.0 to 3.6 V; recommended operating conditions; source page 4 |
| Absolute Maximum Input Voltage | -0.3 to 4 V; over operating free-air temperature range; source page 4 |
| Output Voltage Range | VOUT <= VIN; recommended operating conditions; source page 4 |
| Absolute Maximum Output Voltage | VIN + 0.3 V; over operating free-air temperature range; source page 4 |
| ON Pin High-Level Input Voltage | 0.85 to 3.6 V; recommended operating conditions; source page 4 |
| ON Pin Low-Level Input Voltage | 0.4 V max; recommended operating conditions; source page 4 |
| Maximum Continuous Switch Current | 500 mA; absolute maximum rating and device comparison table; source page 4 |
| Operating Free-Air Temperature | -40 to 85 °C; operating range; source page 4 |
| Storage Temperature | -65 to 150 °C; absolute maximum rating; source page 4 |
| Power Dissipation | 0.48 W; TA = 25°C; source page 4 |
| Human Body Model ESD Rating | ±2000 V; per ANSI/ESDA/JEDEC JS-001; source page 4 |
| Charged Device Model ESD Rating | ±1000 V; per JEDEC JESD22-C101; source page 4 |
| ON-State Resistance | 78 mΩ typ, 95 mΩ max; VIN = 3.6 V, IOUT = -200 mA, TA = 25°C; max over full temperature range; source page 5 |
| ON-State Resistance | 93 mΩ typ, 110 mΩ max; VIN = 2.5 V, IOUT = -200 mA, TA = 25°C; max over full temperature range; source page 5 |
| ON-State Resistance | 109 mΩ typ, 130 mΩ max; VIN = 1.8 V, IOUT = -200 mA, TA = 25°C; max over full temperature range; source page 5 |
| ON-State Resistance | 146 mΩ typ, 200 mΩ max; VIN = 1.2 V, IOUT = -200 mA, TA = 25°C; max over full temperature range; source page 5 |
| ON-State Resistance | 174 mΩ typ, 330 mΩ max; VIN = 1.1 V, IOUT = -200 mA, TA = 25°C; max over full temperature range; source page 5 |
| Quiescent Current | 37 nA typ, 120 nA max; IOUT = 0, VON = VIN, VIN = 1.1 V, full temperature range; source page 5 |
| Quiescent Current | 82 nA typ, 235 nA max; IOUT = 0, VON = VIN, VIN = 1.8 V, full temperature range; source page 5 |
| Quiescent Current | 204 nA typ, 880 nA max; IOUT = 0, VON = VIN, VIN = 3.6 V, full temperature range; source page 5 |
| OFF-State Supply Current | 22 nA typ, 210 nA max; VON = GND, VOUT = open, VIN = 1.1 V, full temperature range; source page 5 |
| OFF-State Supply Current | 44 nA typ, 260 nA max; VON = GND, VOUT = open, VIN = 1.8 V, full temperature range; source page 5 |
| OFF-State Supply Current | 137 nA typ, 700 nA max; VON = GND, VOUT = open, VIN = 3.6 V, full temperature range; source page 5 |
| OFF-State Switch Current | 22 nA typ, 140 nA max; VON = GND, VOUT = 0 V, VIN = 1.1 V, full temperature range; source page 5 |
| OFF-State Switch Current | 45 nA typ, 230 nA max; VON = GND, VOUT = 0 V, VIN = 1.8 V, full temperature range; source page 5 |
| OFF-State Switch Current | 137 nA typ, 610 nA max; VON = GND, VOUT = 0 V, VIN = 3.6 V, full temperature range; source page 5 |
| ON Input Leakage Current | 25 nA max; VON = 1.1 V to 3.6 V or GND, full temperature range; source page 5 |
| Quick Output Discharge | No; TPS22901 device comparison table; source page 3 |
| Enable Logic | Active high; ON pin switch control input; source page 3 |
| Turn-ON Time | 108 µs typ; TPS22901, VIN = 1.1 V, RL = 500 Ω, CL = 0.1 µF, TA = 25°C; source page 6 |
| Turn-ON Time | 131 µs typ; TPS22901, VIN = 1.1 V, RL = 500 Ω, CL = 1 µF, TA = 25°C; source page 6 |
| Turn-OFF Time | 317 µs typ; TPS22901, VIN = 1.1 V, RL = 500 Ω, CL = 1 µF, TA = 25°C; source page 6 |
| VOUT Rise Time | 40 µs typ; TPS22901, VIN = 1.8 V, RL = 500 Ω, CL = 0.1 µF, TA = 25°C; source page 7 |
| Turn-ON Time | 72 µs typ; TPS22901, VIN = 1.8 V, RL = 500 Ω, CL = 1 µF, TA = 25°C; source page 7 |
| Turn-OFF Time | 317 µs typ; TPS22901, VIN = 1.8 V, RL = 500 Ω, CL = 1 µF, TA = 25°C; source page 7 |
| VOUT Fall Time | 1020 µs typ; TPS22901, VIN = 1.8 V, RL = 500 Ω, CL = 1 µF, TA = 25°C; source page 7 |
| Junction-to-Ambient Thermal Resistance | 192.1 °C/W; YFP DSBGA, 4 pins; source page 4 |
| Junction-to-Case Top Thermal Resistance | 2.3 °C/W; YFP DSBGA, 4 pins; source page 4 |
| Junction-to-Board Thermal Resistance | 35.8 °C/W; YFP DSBGA, 4 pins; source page 4 |
| Pin A1 Function | VOUT, switch output; YFP package pin assignment; source page 3 |
| Pin A2 Function | VIN, switch input; bypass with ceramic capacitor to ground; YFP package pin assignment; source page 3 |
| Pin B1 Function | GND, ground; YFP package pin assignment; source page 3 |
| Pin B2 Function | ON, switch control input, active high; YFP package pin assignment; source page 3 |
| Datasheet Status | request_only |
Product Overview
The device is supplied in a 4-pin DSBGA (YFP) package with 0.80 mm x 0.80 mm body size, 0.4-mm pitch, and 0.5-mm height. Pin functions are VOUT at A1, VIN at A2 with ceramic bypass capacitor to ground, GND at B1, and ON at B2. The package thermal data includes 192.1 °C/W junction-to-ambient resistance, 2.3 °C/W junction-to-case top resistance, and 35.8 °C/W junction-to-board resistance.
Electrical limits include 500 mA maximum continuous switch current, -40 to 85 °C operating free-air temperature, and 0.48 W power dissipation at TA = 25°C. Timing data for TPS22901 includes 108 µs typical turn-on at VIN = 1.1 V with 0.1 µF load capacitance, 72 µs typical turn-on at VIN = 1.8 V with 1 µF load capacitance, and 317 µs typical turn-off at both 1.1 V and 1.8 V test conditions.
Key Features
- 1.0 to 3.6 V recommended input voltage range
- 500 mA maximum continuous switch current
- Active-high ON pin switch control input
- No quick output discharge on TPS22901
- 78 mΩ typical ON resistance at 3.6 V
- 37 nA typical quiescent current at 1.1 V
- 4-pin DSBGA YFP 0.80 mm x 0.80 mm package
- -40 to 85 °C operating free-air temperature
- 108 µs typical turn-on at 1.1 V, 0.1 µF
- ±2000 V HBM ESD rating
Typical Applications
- Controlled load switching
- Low-voltage power rail gating
- Active-high switch control circuits
- 500 mA switched power paths
- Compact DSBGA power designs
- Battery-operated load control
- VIN-to-VOUT power switching
Procurement Notes
When requesting a quote for TPS22901, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What input voltage range does TPS22901 support?
TPS22901 supports a recommended input voltage range of 1.0 to 3.6 V. Its absolute maximum input voltage rating is -0.3 to 4 V over the operating free-air temperature range.
What is the maximum continuous switch current for TPS22901?
The maximum continuous switch current specified for TPS22901 is 500 mA. This value appears in the absolute maximum rating and the device comparison table.
How is the TPS22901 ON pin controlled?
TPS22901 uses an active-high ON control input. The recommended high-level ON pin input voltage is 0.85 to 3.6 V, while the low-level input voltage is specified as 0.4 V maximum.
Does TPS22901 include quick output discharge?
No. The TPS22901 device comparison table identifies quick output discharge as not included for this device.
What package is used for TPS22901?
TPS22901 is supplied in a 4-pin DSBGA YFP package. The package measures 0.80 mm x 0.80 mm, uses 0.4-mm pitch, and has a 0.5-mm height.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 20, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.