TPS63061
Abwärts/Aufwärtswandler für Eingangsspannungen von 2,5 V bis 12 V, 93 % Wirkungsgrad, Schaltstrombeg
TPS63061
- Input voltage range: 2.5 V to 12 V
- Efficiency: Up to 93%
- Output current at 5 V (VIN < 10 V): 2 A in buck mode
- Output current at 5 V (VIN > 4 V): 1.3 A in boost mode
- Automatic transition between step down and boost mode
- Typical device quiescent current: < 30 µA
- Fixed and adjustable output voltage options from 2.5 V to 8 V
- Power save mode for improved efficiency at low output power
- Forced fixed-frequency operation at 2.4 MHz and synchronization possible
- Power good output
- Buck-Boost Overlap Control™
- Load disconnect during shutdown
- Overtemperature protection
- Overvoltage protection
The TPS6306x devices provide a power supply solution for products powered by either three-cell up to six-cell alkaline, NiCd or NiMH battery, or a one-cell or dual-cell Li-Ion or Li-polymer battery. Output currents can go as high as 2 A while using a dual-cell Li-Ion or Li-polymer battery, and discharge to 5 V or lower. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters power save mode to maintain high efficiency over a wide load current range. The power save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 2.25 A. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load disconnects from the battery.
The devices are available in a 3 mm × 3 mm, 10-pin, WSON (DSC) package.
Technische Dokumentation
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | TPS6306x High Input Voltage, Buck-Boost Converter With 2-A Switch Current datasheet (Rev. C) | PDF | HTML | 15 Sep 2020 |
| Application note | QFN and SON PCB Attachment (Rev. C) | PDF | HTML | 06 Dez 2023 | |
| Application note | Layer Design for Reducing Radiated EMI of DC to DC Buck-Boost Converters (Rev. A) | PDF | HTML | 09 Jun 2021 | |
| Application note | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 11 Dez 2018 | ||
| Application note | Understanding Undervoltage Lockout in Power Devices (Rev. A) | 19 Sep 2018 | ||
| Application note | Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) | 09 Jul 2018 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| Application note | Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs | 19 Sep 2011 | ||
| Analog Design Journal | IQ: What it is, what it isn’t, and how to use it | 17 Jun 2011 | ||
| Application note | Minimizing Ringing at the Switch Node of a Boost Converter | 15 Sep 2006 |
Design und Entwicklung
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TPS63061 TINA-TI Transient Reference Design
TPS63061 Unencrypted PSpice Transient Model Package (Rev. A)
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| WSON (DSC) | 10 | Ultra Librarian |
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