Specifications
| Type | Description |
|---|---|
| Part Number | TPS65219 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Power Rails | 3 buck converters and 4 LDOs |
| Buck Converter Switching Frequency | Up to 2.3 MHz |
| BUCK1 Input Voltage Range | 2.5 V to 5.5 V |
| BUCK1 Output Current | 3.5 A |
| BUCK1 Output Voltage Range | 0.6 V to 3.4 V |
| BUCK2 and BUCK3 Input Voltage Range | 2.5 V to 5.5 V |
| BUCK2 and BUCK3 Output Current | 2 A each |
| BUCK2 and BUCK3 Output Voltage Range | 0.6 V to 3.4 V |
| LDO1 and LDO2 Input Voltage Range | 1.5 V to 5.5 V |
| LDO1 and LDO2 Output Current | 400 mA each |
| LDO1 and LDO2 Output Voltage Range | 0.6 V to 3.4 V |
| LDO3 and LDO4 Input Voltage Range | 2.2 V to 5.5 V |
| LDO3 and LDO4 Output Current | 300 mA each |
| LDO3 and LDO4 Output Voltage Range | 1.2 V to 3.3 V |
| Ambient Temperature Range | -40 °C to +105 °C |
| Buck Inductor Requirement | 470 nH |
| Buck Input Capacitance Requirement | 4.7 uF |
| Buck Output Capacitance Requirement | Minimum 10 uF |
| I2C Interface Speed Modes | Standard, fast-mode, fast-mode+ |
| Dynamic Voltage Scaling | Supported on all three buck converters |
| Buck Operating Modes | Low IQ/PFM and PWM quasi-fixed frequency |
| Multi-PMIC Rail Support | 14+ rails |
| Digital Outputs and Multifunction Pins | 2 GPOs, 1 GPIO, 3 multi-function pins |
| EEPROM Programmability | Supported |
| Package Option | RSM, 32-pin QFN, 4.00 mm x 4.00 mm |
| Package Option | RHB, 32-pin QFN, 5.00 mm x 5.00 mm |
| VSYS Input Voltage | 2.5 V to 5 V |
| VDD1P8 Bypass Capacitor | 2.2 uF or greater ceramic capacitor |
| LDO Output Capacitor Requirement | 2.2 uF or greater ceramic capacitor |
| PVIN_LDO34 Bypass Capacitor | 4.7 uF or greater ceramic capacitor |
| Datasheet Status | request_only |
Product Overview
TPS65219 is a Texas Instruments Power_Management IC built around an integrated PMIC architecture with 3 buck converters and 4 LDOs. All three buck converters support switching frequencies up to 2.3 MHz, dynamic voltage scaling, and Low IQ/PFM or PWM quasi-fixed-frequency operating modes.
Key Features
- Integrated 3 buck converters and 4 LDOs
- All buck converters switch up to 2.3 MHz
- BUCK1 provides 3.5 A output current
- BUCK2 and BUCK3 provide 2 A each
- Buck outputs configure from 0.6 V to 3.4 V
- LDO1 and LDO2 provide 400 mA each
- LDO3 and LDO4 provide 300 mA each
- I2C supports standard, fast-mode, and fast-mode+
- EEPROM supports default voltages and power sequencing
- Two devices support 14+ power rails
Typical Applications
- Multi-rail power management
- Buck-regulated system rails
- LDO-regulated auxiliary rails
- SD-card voltage rail changes
- EEPROM-programmed power sequencing
- I2C-controlled power systems
- Dual-PMIC 14+ rail systems
Procurement Notes
When requesting a quote for TPS65219, 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
How many rails does TPS65219 integrate?
TPS65219 integrates 3 buck converters and 4 LDOs. The extracted facts also state that two TPS65219 devices can be used in a multi-PMIC configuration to support 14+ rails.
What output current does each buck converter support?
BUCK1 supports a maximum output current of 3.5 A. BUCK2 and BUCK3 each support a maximum output current of 2 A, with configurable output voltages from 0.6 V to 3.4 V.
Which package options are listed for TPS65219?
The listed package options are RSM, a 32-pin QFN measuring 4.00 mm x 4.00 mm, and RHB, a 32-pin QFN measuring 5.00 mm x 5.00 mm.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 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.