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Overview
| Topology | Buck Converter |
| Input voltage | 4-5.8 V |
| Switching frequency | 1500-3300 kHz |
| Output 1 | 0.4 A |
| Output 2 | 0.4 A |
| IC revision | B |
Description
The ACT81461 is a low power PMIC (power management integrated circuit) that is specifically designed for battery operated systems and is suitable for a variety of processor applications. It features very low standby current that prolongs battery life between charges, especially in applications requiring long stand by or low power mode durations. It is a highly efficient PMIC that also enhances battery run time during normal operating modes. The number of regulators that can be turned OFF or left ON during low power modes is configurable and offers users flexibility to optimize system efficiency. The IC includes four DC/DC converters with integrated power FETs, three low-dropout regulators (LDOs), and three load switches. Two of the DC/DC converters are step down buck regulators, one is a step up/down buckboost regulator and the fourth is a high voltage step-up boost regulator capable of providing up to 20V. Each regulator can be configured for a wide range of output voltages through the I2C interface.The ACT81461 is highly configurable. It offers configurable power sequencing combinations, startup timing, output voltage settings, fault monitoring,interrupt control, programmable GPIO options,and many more features. The device is pre-configured at the factory with default configuration settings that can be further adjusted though firmware via the standard I2C interface to suit individual system requirements. The IC also features the ability to sequence external power supply rails as part of the power up sequence by using GPIOs.The ACT81461 PMIC is available in a 3.33mm x 3.28mm, 49 ball WLCSP package
Features
- Wide Input Voltage Range
- 4V to 5.5V Input with 20V Protection
- 2.7V to 4.5V Battery Range
- Complete Integrated Power Solution
- Two 0.4A DC/DC Step-Down (Buck) Regulators
- One 0.4A Buck-Boost Regulator
- Three 100mA LDOs
- Three 100mA Load Switches
- One High Voltage Boost – 20V
- 38mA Constant Current Sink LED Drive
- 0.8A Linear Charger
- Optimized Power for Portable Applications
- Active Power-Path Linear Charger (APLC)
- Multiple Sleep Modes
- Active-COT for Very Low Quiescent Current
- 6μA Quiescent Current with 6 regulators and 3 load switches running
- Space Savings
- Fully Integrated
- Maximum Fsw = 3MHz for small size
- Integrated Sequencing
- Easy System Level Design
- Configurable Sequencing
- Seamless Sequencing with External Supplies
- Programmable Reset and Power Good GPIOs
- Easy System Interface and Monitoring
- Four General Purpose I/O (4 X GPIOs)
- I2C Serial Interface
- Reset and Power Sequencing Control
- Interrupt Controller and fault monitoring
- Two configurable low power modes – SLEEP &DPSLP mode.
- Watchdog Supervision
- Hard/Soft Reset Functions
- PWREN Power Enable Startup.
- Highly Configurable
- uP interface for status and report and controllability
- Flexible Sequencing and Fault Thresholds
- Programmable GPIO Functions
- GPIO/LED Current Sinks
- PWREN Power Enable Functionality
- Contact Qorvo for Push Button Mode Startup
Typical applications
- IOT Modules
- Cameras & DVRs, Consumer or medical wearables
- Battery operated personal devices
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | L (µH) | ISAT1 (A) | ISAT2 (A) | RDC max. (mΩ) | fres (MHz) | Version | H (mm) | Operation Force (Value) (g) | Electrical Life (Cycles) | Actuator Color | Vaporphase process | Pins (Value) (pcs) | Rows | Gender | Type | IR (A) | Packaging | Color | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691214110002S | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 2141S - 3.50 mm Horizontal Entry Modular w. Rising Cage Clamp | Rising Cage Clamp | PCB | Yes | 30 to 16 (AWG) 0.05 to 1.31 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | – | – | Horizontal | 10 | Box | – | |
 | 150060VS75000 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | 570 | Bright Green | 572 | 40 | 2 | AlInGaP | 140 | – | – | – | – | – | – | 0.7 | – | – | – | – | – | – | – | – | – | Tape and Reel | – | ||
 | 430453025836 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WS-TASV J-Bend SMT Washable Tact Switch 6x6 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.5 | 360 | 200000 | Salmon | not specified | – | – | – | – | 0.05 | Tape and Reel | – | |
 | 74479275222 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PMCI Power Molded Chip Inductor | – | – | – | – | – | – | – | – | – | – | – | 2.2 | 1.2 | 2.4 | 190 | 45 | Standard | 1 | – | – | – | – | 2 | – | – | – | 2.1 | – | – | ||
 | 74479299210 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PMCI Power Molded Chip Inductor | – | – | – | – | – | – | – | – | – | – | – | 1 | 3.25 | 6.95 | 35 | 60 | High Saturation Current | 1.2 | – | – | – | – | 2 | – | – | – | 7.55 | – | – | ||
| 74479299222 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PMCI Power Molded Chip Inductor | – | – | – | – | – | – | – | – | – | – | – | 2.2 | 2.25 | 4.8 | 75 | 35 | High Saturation Current | 1.2 | – | – | – | – | 2 | – | – | – | 4.5 | – | – | ||
 | 60900213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 | – | Jumper | – | 3 | Bag | Black | |
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | Single | Pin Header | Straight | 3 | Bag | – | |
 | 61300311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3 | Single | Pin Header | Straight | 3 | Bag | – | |
 | 61300411121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 4 | Single | Pin Header | Straight | 3 | Bag | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691214110002S | SPEC | – |
| 150060VS75000 | SPEC | |
| 430453025836 | SPEC | – |
| 74479275222 | SPEC | |
| 74479299210 | SPEC | |
| 74479299222 | SPEC | |
| 60900213421 | SPEC | – |
| 61300211121 | SPEC | – |
| 61300311121 | SPEC | – |
| 61300411121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chip Technology | 2θ50% typ. (°) | L (µH) | ISAT1 (A) | ISAT2 (A) | RDC max. (mΩ) | fres (MHz) | Version | H (mm) | Operation Force (Value) (g) | Electrical Life (Cycles) | Actuator Color | Vaporphase process | Pins (Value) (pcs) | Rows | Gender | Type | IR (A) | Packaging | Color | Samples |
|---|