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Overview
| Topology | Boost Converter |
| Input voltage | 5 V |
| Switching frequency | 1250 kHz |
| Output 1 | 15 V |
| IC revision | E1 |
Description
This reference design provides a simple means through which to isolate I2C or SPI type communication lines. This is often required in Grid Infrastructure applications such as, protertion relays and circuit breakers, where high voltages are involved. This reference design provides the complete solution in which, both power isolation and signal isolation is handled
Features
- 2.7-V to 5.5-V Input Voltage Range
- Dual Adjustable Output Voltages Up to 15 V and Down to –15 V
- 800-mA Typical Switch Current Limit at Boost and Inverter Main Switches at TPS65130
- 2-A Typical Switch Current Limit at Boost and Inverter Main Switches at TPS65131
- Up to 89% Efficiency at Positive Output Voltage Rail
- Up to 81% Efficiency at Negative Output Voltage Rail
- Power-Save Mode for High Efficiency at Low LoadCurrents
- Independent Enable Inputs for Power-Up andPower-Down Sequencing
- Control Output for External PFET to Support Completely Disconnecting the Battery
- Minimum 1.25-MHz Fixed Frequency PWM Operation
- Thermal Shutdown
- Overvoltage Protection on Both Outputs
- 1-µA Shutdown Current
- Small 4-mm × 4-mm VQFN-24 Package (RGE)
Typical applications
- Data Acquisition
- LCD and OLED Displays / General-Purpose Split-Rail Supplies
- Industrial Applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IR(A) | ISAT(A) | RDC(mΩ) | fres(MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 4.7 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance4.7 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), 10 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance10 nF | Capacitance±10% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
 | WE-LQS SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | – | Size2512 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length2.5 mm | Width2 mm | Height1.2 mm | – | – | Inductance10 µH | Rated Current0.65 A | Saturation Current0.8 A | DC Resistance430 mΩ | Self Resonant Frequency30 MHz |