TPS63020DSJR.A
TPS6302x High Efficiency Single Inductor Buck-boost Converter with 4-A Switches
Manufacturer
Texas Instruments
Category
Integrated Circuits (ICs)
Overview
Part: TPS6302x from Texas Instruments
Type: High Efficiency Single Inductor Buck-boost Converter
Key Specs:
- Input voltage range: 1.8 V to 5.5 V
- Adjustable output voltage: 1.2 V to 5.5 V
- Output current for VIN > 2.5 V, VOUT = 3.3 V: 2 A
- Operating quiescent current: 25 μA
- Fixed frequency operation: 2.4 MHz
- Maximum average switch current: 4 A
Features:
- High efficiency over the entire load range
- Power save mode with mode selection
- Average current mode buck-boost architecture
- Automatic transition between modes
- Synchronization possible
- Power good output
- Overtemperature, overvoltage protection
- Load disconnect during shutdown
- Create a custom design using WEBENCH Power Designer
Applications:
- Pre-regulation in battery-powered devices: EPOS (portable data terminal, barcode scanner), e-cigarette, single board computer, IP network camera, video doorbell, land mobile radios
- Voltage stabilizer: wired communication, wireless communication, PLC, optical module
- Backup supercapacitor supply: electricity meter, solid state drive (SSD) - enterprise
Package:
- VSON (14-pin): 3 mm × 4 mm
Features
- 1• Input voltage range: 1.8 V to 5.5 V
- Adjustable output voltage: 1.2 V to 5.5 V
- Output current for VIN > 2.5 V, VOUT = 3.3 V: 2 A
- High efficiency over the entire load range
- Operating quiescent current: 25 μA
- Power save mode with mode selection
- Average current mode buck-boost architecture
- Automatic transition between modes
- Fixed frequency operation at 2.4 MHz
- Synchronization possible
- Power good output
- Safety and robust operation features
- Overtemperature, overvoltage protection
- Load disconnect during shutdown
- Create a custom design using the
Applications
SPACE
space
1
- Pre-regulation in battery-powered devices: EPOS (portable data terminal, barcode scanner), ecigarette, single board computer, IP network camera, video doorbell, land mobile radios
- • Voltage stabilizer: wired communication, wireless communication, PLC, optical module
- • Backup supercapacitor supply: electricity meter, solid state drive (SSD) - enterprise
Simplified Schematic
Pin Configuration
Pin Functions
- NAME
- EN
- FB
- GND
- L1
- L2
- PG
- PGND
- PS/SYNC
- VIN
- VINA
- VOUT
- Exposed
Thermal Pad
4
Electrical Characteristics
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| DC/DC STAGE | |||||||
| Input voltage | 1.8 | 5.5 | V | ||||
| VIN | Minimum input voltage for start-up | 0°C ≤ TA ≤ 85°C | 1.5 | 1.8 | 1.9 | V | |
| Minimum input voltage for start-up | 1.5 | 1.8 | 2.0 | V | |||
| TPS63020 output voltage | 1.2 | 5.5 | V | ||||
| VOUT | Duty cycle in step down conversion | 20% | |||||
| TPS63020 feedback voltage | 495 | 500 | 505 | mV | |||
| VFB_PWM | TPS63021 output voltage | PS/SYNC = VIN | 3.267 | 3.3 | 3.333 | V | |
| VFB_PS | Maximum line regulation Maximum load regulation | TPS63020 feedback voltage / TPS63021 output voltage regulation in PS mode | PS/SYNC = GND; referenced to VFB_PWM | 0.6% | 0.5% 0.5% | 5% | |
| f | Oscillator frequency | 2200 | 2400 | 2600 | kHz | ||
| Frequency range for synchronization | 2200 | 2400 | 2600 | kHz | |||
| ISW | Average switch current limit | VIN = VINA = 3.6 V, TA = 25°C | 3500 | 4000 | 4500 | mA | |
| High side switch on resistance | VIN = VINA = 3.6 V | 50 | mΩ | ||||
| Low side switch on resistance | VIN = VINA = 3.6 V | 50 | mΩ | ||||
| Quiescent | VIN and VINA | IOUT = 0 mA, VEN = VIN = VINA = 3.6 | 25 | 50 | μA | ||
| Iq | current | VOUT | V, VOUT = 3.3 V | 5 | 10 | μA | |
| TPS63021 FB input impedance | VEN = HIGH | 1 | MΩ | ||||
| IS | Shutdown current | VEN = 0 V, VIN = VINA = 3.6 V | 0.1 | 1 | μA | ||
| CONTROL STAGE | |||||||
| Under voltage lockout threshold | VINA voltage decreasing | 1.4 | 1.5 | 1.6 | V | ||
| UVLO | Under voltage lockout hysteresis | 200 | mV | ||||
| VIL | EN, PS/SYNC input low voltage | 0.4 | V | ||||
| VIH | EN, PS/SYNC input high voltage | 1.2 | V | ||||
| EN, PS/SYNC input current | Clamped to GND or VINA | 0.01 | 0.1 | μA | |||
| PG output low voltage | VOUT = 3.3 V, IPGL = 10 μA | 0.04 | 0.4 | V | |||
| PG output leakage current | 0.01 | 0.1 | μA | ||||
| Output overvoltage protection Overtemperature protection Overtemperature hysteresis | 5.5 | 140 20 | 7 | V °C °C |
6
Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)(1)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| VIN, VINA, VOUT, PS/SYNC, EN, FB, PG | –0.3 | 7 | V | |
| Voltage(2) | L1, L2 (DC) | –0.3 | 7 | V |
| L1, L2 (AC, less than 10 ns)(3) | –3 | 10 | V | |
| Operating junction temperature, TJ | –40 | 150 | °C | |
| Storage temperature, Tstg | –65 | 150 | °C |
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods my affect device reliability.
(2) All voltages are with respect to network ground terminal.
(3) Normal switching operation
Recommended Operating Conditions
| MIN | NOM | MAX | UNIT | |
|---|---|---|---|---|
| Supply voltage at VIN, VINA | 1.8 | 5.5 | V | |
| Operating free air temperature, TA | –40 | 85 | °C | |
| Operating junction temperature, TJ | –40 | 125 | °C |
Thermal Information
| TPS6302x | UNIT | ||
|---|---|---|---|
| THERMAL METRIC(1) | DSJ (VSON) | ||
| 14 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 41.8 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 47 | °C/W |
| RθJB | Junction-to-board thermal resistance | 17 | °C/W |
| ψJT | Junction-to-top characterization parameter | 0.9 | °C/W |
| ψJB | Junction-to-board characterization parameter | 16.8 | °C/W |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | 3.6 | °C/W |
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.
SLVS916I –JULY 2010–REVISED OCTOBER 2019 www.ti.com
6.5 Electrical Characteristics
over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted)
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| DC/DC STAGE | |||||||
| Input voltage | 1.8 | 5.5 | V | ||||
| VIN | Minimum input voltage for start-up | 0°C ≤ TA ≤ 85°C | 1.5 | 1.8 | 1.9 | V | |
| Minimum input voltage for start-up | 1.5 | 1.8 | 2.0 | V | |||
| TPS63020 output voltage | 1.2 | 5.5 | V | ||||
| VOUT | Duty cycle in step down conversion | 20% | |||||
| TPS63020 feedback voltage | 495 | 500 | 505 | mV | |||
| VFB_PWM | TPS63021 output voltage | PS/SYNC = VIN | 3.267 | 3.3 | 3.333 | V | |
| VFB_PS | Maximum line regulation Maximum load regulation | TPS63020 feedback voltage / TPS63021 output voltage regulation in PS mode | PS/SYNC = GND; referenced to VFB_PWM | 0.6% | 0.5% 0.5% | 5% | |
| f | Oscillator frequency | 2200 | 2400 | 2600 | kHz | ||
| Frequency range for synchronization | 2200 | 2400 | 2600 | kHz | |||
| ISW | Average switch current limit | VIN = VINA = 3.6 V, TA = 25°C | 3500 | 4000 | 4500 | mA | |
| High side switch on resistance | VIN = VINA = 3.6 V | 50 | mΩ | ||||
| Low side switch on resistance | VIN = VINA = 3.6 V | 50 | mΩ | ||||
| Quiescent | VIN and VINA | IOUT = 0 mA, VEN = VIN = VINA = 3.6 | 25 | 50 | μA | ||
| Iq | current | VOUT | V, VOUT = 3.3 V | 5 | 10 | μA | |
| TPS63021 FB input impedance | VEN = HIGH | 1 | MΩ | ||||
| IS | Shutdown current | VEN = 0 V, VIN = VINA = 3.6 V | 0.1 | 1 | μA | ||
| CONTROL STAGE | |||||||
| Under voltage lockout threshold | VINA voltage decreasing | 1.4 | 1.5 | 1.6 | V | ||
| UVLO | Under voltage lockout hysteresis | 200 | mV | ||||
| VIL | EN, PS/SYNC input low voltage | 0.4 | V | ||||
| VIH | EN, PS/SYNC input high voltage | 1.2 | V | ||||
| EN, PS/SYNC input current | Clamped to GND or VINA | 0.01 | 0.1 | μA | |||
| PG output low voltage | VOUT = 3.3 V, IPGL = 10 μA | 0.04 | 0.4 | V | |||
| PG output leakage current | 0.01 | 0.1 | μA | ||||
| Output overvoltage protection Overtemperature protection Overtemperature hysteresis | 5.5 | 140 20 | 7 | V °C °C |
6
6.6 Typical Characteristics
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| TPS63020 | Texas Instruments | — |
| TPS63020-Q1 | Texas Instruments | — |
| TPS63020DSJR | Texas Instruments | 14-VFDFN Exposed Pad |
| TPS63020DSJR.B | Texas Instruments | — |
| TPS63020DSJT | Texas Instruments | — |
| TPS63020DSJT.A | Texas Instruments | — |
| TPS63020DSJT.B | Texas Instruments | — |
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