TPS62A01A-Q1
Synchronous Buck ConverterThe TPS62A01A-Q1 is a synchronous buck converter from Texas Instruments. View the full TPS62A01A-Q1 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
TPS62A01A-Q1 shares its datasheet with TPS62A02, whose page lists every part number it covers.
Official TPS62A01A-Q1 datasheet (PDF) — the source this page was extracted from.
Manufacturer
Texas InstrumentsCategory
Switching Regulators (Buck)TPS62A01A-Q1 Key Specifications
| Parameter | Value |
|---|---|
| High-side MOSFET on-resistance | 100 mΩ (VIN = 5 V) |
| Low-side MOSFET on-resistance | 67 mΩ (VIN = 5 V) |
| High-side peak current limit | 2.7 A min, 3.4 A typ (TPS62A02) |
| Quiescent current | 23 μA typ (non-switching, VEN = High, VFB = 610 mV) |
| Shutdown supply current | 0.01 μA typ, 2 μA max (VEN = Low) |
| Switching frequency | 2.4 MHz typ (FCCM, VIN = 5 V, VOUT = 1.8 V) |
| Feedback voltage accuracy | 600 mV ±1% (TJ = 0 °C to 125 °C, PWM mode) |
| Internal fixed soft-start time | 1 ms max (from EN = High to VFB = 0.56 V) |
TPS62A01A-Q1 Overview
Part: TPS62A02 — Texas Instruments
Type: Synchronous Buck Converter
Description: 2.5 V to 5.5 V input, 2 A synchronous step-down converter with 2.4 MHz switching frequency, integrated low-RDSON FETs, and up to 100% duty cycle operation.
Operating Conditions:
- Supply voltage: 2.5 V to 5.5 V
- Operating temperature: -40 °C to 125 °C (operating junction temperature)
- Output voltage range: 0.6 V to VIN
Absolute Maximum Ratings:
- Max supply voltage: 6.5 V (VIN, EN, PG)
- Max junction/storage temperature: 150 °C
Key Specs:
- High-side MOSFET on-resistance: 100 mΩ (VIN = 5 V)
- Low-side MOSFET on-resistance: 67 mΩ (VIN = 5 V)
- High-side peak current limit: 2.7 A min, 3.4 A typ (TPS62A02)
- Quiescent current: 23 μA typ (non-switching, VEN = High, VFB = 610 mV)
- Shutdown supply current: 0.01 μA typ, 2 μA max (VEN = Low)
- Switching frequency: 2.4 MHz typ (FCCM, VIN = 5 V, VOUT = 1.8 V)
- Feedback voltage accuracy: 600 mV ±1% (TJ = 0 °C to 125 °C, PWM mode)
- Internal fixed soft-start time: 1 ms max (from EN = High to VFB = 0.56 V)
Features:
- 2.4 MHz switching frequency with adaptive off-time peak current control
- 100% mode operation for low dropout
- Power Save Mode (PSM) or Forced PWM (FPWM) options
- Open-drain Power-Good output pin (optional)
- Short-circuit protection with hiccup mode
- Internal soft start-up and active output discharge
- Thermal shutdown protection with automatic recovery
- Pin-to-pin compatible with TLV62585 (DRL) and TLV62569 (DDC)
Applications:
- Set top box, TV applications
- IP network camera, Multi-function printer
- Wireless router, solid state drive
- Battery-powered applications
- General purpose point-of-load supply
Package:
- SOT-563 6-pin (DRL, 1.60 mm × 1.60 mm)
- SOT-23 6-pin (DDC, 2.90 mm × 2.80 mm)
TPS62A01A-Q1 Features
- 2.5V to 5.5V input voltage range
- 0.6V to VIN adjustable output voltage range
- 180mΩ/120mΩ low RDSON switches (1A DRL)
- 100mΩ/67mΩ low RDSON switches (1A DDC, 2A)
- < 23μA quiescent current
- 1% feedback accuracy (0°C to 125°C)
- 100% mode operation
- 2.4MHz switching frequency
- Power save mode or PWM option available
- Power-good output pin (optional)
- Short-circuit protection (HICCUP)
- Internal soft start-up
- Active output discharge
- Thermal shutdown protection
- Pin-to-pin compatible with the TLV62585 (DRL)
- Pin-to-pin compatible with the TLV62569 (DDC)
TPS62A01A-Q1 Applications
- Set top box, TV applications
- IP network camera, Multi-function printer
- Wireless router, solid state drive
- Battery-powered applications
- General purpose point-of-load supply
TPS62A01A-Q1 Pin Configuration
SOT563-6 DRL package (Top View)
Not to scale SOT563-6 DRL package (Top View) TPS62A02N
Not to scale
Figure 5-1. 6-Pin DRL SOT-563 Package (Top View), 6-Pin DDC SOT-23 Package (Top View)
Table 5-1. Pin Functions
| Pin Number - Name | Pin Number - SOT563-6 | Pin Number - SOT23-6 | Type (1) | Description |
|---|---|---|---|---|
| EN | 4 | 1 | I | Device enable logic input. Logic high enables the device. Logic low disables the device and turns the device into shutdown. Do not leave the pin floating. |
| FB | 5 | 6 | I | Feedback pin for the internal control loop. Connect this pin to an external feedback divider. |
| GND | 1 | 2 | G | Ground pin. |
| PG | 6 | 5 | O | Power-good open-drain output pin. The pullup resistor cannot be connected to any voltage higher than 5.5V. If unused, leave the pin open or connect to GND. |
| OUT (2) | 6 | / | I | Output voltage sense pin. |
| SW | 2 | 3 | O | Switch pin connected to the internal FET switches and inductor terminal. Connect the inductor of the output filter to this pin. |
| VIN | 3 | 4 | I | Input voltage pin. Connect the input capacitor as close as possible between V IN and GND. |
- (1) I = Input, O = Output, G = Ground.
- (2) Only for TPS62A0x N versions.
TPS62A01A-Q1 Electrical Characteristics
TJ = -40°C to +125°C, VIN = 2.5 V to 5.5 V. Typical values are at T J = 25°C and V IN = 5 V (unless otherwise noted)
| PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|
| SUPPLY | ||||||
| I Q(VIN) | VIN quiescent current | Non-switching; V EN = High; V FB = 610 mV; TPS62A01xDRL | 20 | μA | ||
| I Q(VIN) | VIN quiescent current | Non-switching; V EN = High; V FB = 610 mV; TPS62A01xDDC; TPS62A02 | 23 | μA | ||
| I SD(VIN) | VIN shutdown supply current | V EN = Low | 0.01 | 2 | μA | |
| UVLO | ||||||
| V UVLO(R) | VIN UVLO rising threshold | V IN rising | 2.3 | 2.4 | 2.5 | V |
| V UVLO(F) | VIN UVLO falling threshold | V IN falling | 2.2 | 2.3 | 2.4 | V |
| ENABLE | ||||||
| V EN(R) | EN voltage rising threshold | EN rising; enable switching | 1.2 | V | ||
| V EN(F) | EN voltage falling threshold | EN falling, disable switching | 0.4 | V | ||
| V EN(LKG) | EN Input leakage current | V EN = 5 V | 100 | nA | ||
| REFERENCE VOLTAGE | ||||||
| V FB | FB voltage | T J = 0°C to 125°C, PWM mode | 594 | 600 | 606 | mV |
| V FB | FB voltage | PWM mode | 591 | 600 | 609 | mV |
| I FB(LKG) | FB input leakage current | V FB = 0.6 V | 100 | nA | ||
| SWITCHING | FREQUENCY | |||||
| f SW(FCCM) | Switching frequency, FPWM operation | V IN = 5 V; V OUT = 1.8 V | 2400 | kHz | ||
| STARTUP | ||||||
| Internal fixed soft-start time | From EN = High to V FB = 0.56 V | 1 | ms | |||
| POWER STAGE | ||||||
| R DSON(HS) | High-side MOSFET on-resistance | TPS62A01xDRL; V IN = 5 V | 180 | mΩ | ||
| R DSON(LS) | Low-side MOSFET on-resistance | TPS62A01xDRL; V IN = 5 V | 120 | mΩ | ||
| R DSON(HS) | High-side MOSFET on-resistance | V IN = 5 V; TPS62A01xDDC; TPS62A02 | 100 | mΩ | ||
| R DSON(LS) | Low-side MOSFET on-resistance | V IN = 5 V; TPS62A01xDDC; TPS62A02 | 67 | mΩ | ||
| OVERCURRENT | PROTECTION | |||||
| I HS(OC) | High-side peak current limit | TPS62A01 | 1.3 | 1.8 | A | |
| I LS(OC) | Low-side valley current limit | TPS62A01 | 1.8 | A | ||
| I HS(OC) | High-side peak current limit | TPS62A02 | 2.7 | 3.4 | A | |
| I LS(OC) | Low-side valley current limit | TPS62A02xDRL | 4.2 | A | ||
| I LS(OC) | Low-side valley current limit | TPS62A02xDDC | 3.15 | A | ||
| POWER GOOD | ||||||
| V PGTH | Power Good threshold | PG low, FB falling | 93.5 | % | ||
| V PGTH | Power Good threshold PG delay falling PG delay rising | PG high, FB rising | 96 35 10 | % μs μs | ||
| I PG(LKG) | PG pin Leakage current when open drain output is high | V PG = 5 V | 100 | nA | ||
| PG pin output low-level voltage | I PG = 1 mA | 400 | mV |
TPS62A01A-Q1 Absolute Maximum Ratings
Over operating free-air temperature range (unless otherwise noted) (1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| Pin voltage (2) | VIN, EN, PG | -0.3 | 6.5 | V |
| Pin voltage (2) | SW, DC | -0.3 | V IN + 0.3 | V |
| Pin voltage (2) | SW, transient < 10 ns | -3.0 | 10 | V |
| Pin voltage (2) | FB | -0.3 | 3 | V |
| T J | Operating junction temperature | -40 | 150 | °C |
| T stg | Storage temperature | -55 | 150 | °C |
TPS62A01A-Q1 Recommended Operating Conditions
Over operating junction temperature range (unless otherwise noted)
| MIN | NOM | MAX | UNIT | |||
|---|---|---|---|---|---|---|
| V IN | Input supply voltage range | Input supply voltage range | 2.5 | 5.5 | V | |
| V OUT | Output voltage range | Output voltage range | 0.6 | V IN | V | |
| I OUT | Output current range | TPS62A01 | 0 | 1 | A | |
| I OUT | Output current range (1) | TPS62A02 | 0 | 2 | A | |
| L | Effective inductance | 1.0 | μH | |||
| C OUT | Output capacitance | V OUT < 1.2 V | 44 | μF | ||
| C OUT | Output capacitance | 1.2 V ≤ V OUT < 1.8 V | 22 | μF | ||
| C OUT | Output capacitance | V OUT ≥ 1.8 V | 10 | μF | ||
| I PG | Power Good input current capability | 0 | 1 | mA | ||
| T J | Operating junction temperature | -40 | 125 | °C |
TPS62A01A-Q1 Thermal Information
| THERMAL METRIC (1) | TPS62A0x DRL - 6 PINS | TPS62A0x DDC - 6 PINS | UNIT | |
|---|---|---|---|---|
| R θJA | Junction-to-ambient thermal resistance | 157.3 | 132.1 | °C/W |
| R θJC(top) | Junction-to-case (top) thermal resistance | 92.2 | 74.9 | °C/W |
| R θJB | Junction-to-board thermal resistance | 45.6 | 45.5 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 4.0 | 25.5 | °C/W |
TPS62A01A-Q1 Typical Application
Efficiency vs Output Current at 5VIN (TPS62A02x)
TPS62A01A-Q1 Package Information
| PART NUMBER | PACKAGE (1) | PACKAGE SIZE (2) |
|---|---|---|
| TPS62A01x | DRL (SOT-563, 6) | 1.60mm × 1.60mm |
| TPS62A01x | DDC (SOT-23, 6) | 2.90mm × 2.80mm |
| TPS62A02x | DRL (SOT-563, 6) | 1.60mm × 1.60mm |
| TPS62A02x | DDC (SOT-23, 6) | 2.90mm × 2.80mm |
| TPS62A02Nx | DRL (SOT-563, 6) | 1.60mm × 1.60mm |
- (1) For more information, see Section 11.
- (2) The package size (length × width) is a nominal value and includes pins, where applicable.
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| TPS62A01 | Texas Instruments | — |
| TPS62A01-Q1 | Texas Instruments | — |
| TPS62A01A | Texas Instruments | — |
| TPS62A01XDDC | Texas Instruments | — |
| TPS62A01XDRL | Texas Instruments | — |
| TPS62A02 | Texas Instruments | — |
| TPS62A02-Q1 | Texas Instruments | — |
| TPS62A02A | Texas Instruments | — |
| TPS62A02A-Q1 | Texas Instruments | — |
| TPS62A02N | Texas Instruments | — |
| TPS62A02NA | Texas Instruments | — |
| TPS62A02NX | Texas Instruments | — |
| TPS62A02XDDC | Texas Instruments | — |
| TPS62A02XDRL | Texas Instruments | — |
| TPS62A0XA | Texas Instruments | — |
Other Switching Regulators (Buck)
- TPS54302 – Texas Instruments, Synchronous Step-Down Converter
- MAX20730 – Analog Devices, Synchronous Switching Regulator
- TLV62568 – Texas Instruments, Synchronous Buck Converter
- LM2596 – Texas Instruments, Step-Down Voltage Regulator
- TPS562200 – Texas Instruments, Synchronous Buck Converter
- AP63203WU – Diodes Incorporated, Synchronous Buck Converter
- TPS54202 – Texas Instruments, Synchronous Buck Converter
- AP63357DV-7 – Diodes Incorporated, Synchronous Buck Converter
All Switching Regulators (Buck) datasheetsAll Texas Instruments datasheets (2,418)
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