Features
- Buck-Boost NVDC charger for 2-, 3-, or 4-cell Li-ion batteries using all NFET transistors
- USB-C Port Controller (TCPC) with integrated TCPC PHY, CC-Logic
- Dual SMBus/I2C ports for charger programming and CC line traffic
- Internal 500mΩ VCONN MUX for up to 1.6A
- Input voltage range: 3.9V to 23.4V (no dead zone)
- System/battery output voltage: 3.9V to 18.304V
- 28V protection for CC1/CC2/VBUS
- Adapter Crash Prevention with adapter current and battery current regulation
- PROCHOT#, IMVP compliant
- Internal 8-bit ADC for charger operation telemetry
- Software configurable for DFP, UFP, or DRP
- USB-C PD Sink Fast Role Swap (FRS) and PPS support
- Pass-Through-Mode (PTM) in forward direction
- Battery Ship Mode - IC ultra-low power state
- Supports JEITA compliance autonomous charge
- Dynamic Voltage Compensation (DVC) support for multi-port charging applications
- USB Power Delivery (PD) 3.0 and Programmable Power Supply (PPS) Certified
- 5 × 5 40 Ld QFN package
- UL 2367, IEC 62368-1: File No. E520109
Description
The RAA489000 is a digitally configurable buck-boost battery charger with USB-C® Port Controller (TCPC). The battery charging function supports Narrow Voltage Direct Charging (NVDC) and USB Power Delivery (PD) programmable power supply output supplies. The TCPC controller integrates TCPC PHY, CC-Logic, and VCONN switches. All RAA489000 blocks connected to the adapter/USB pin (CC1, CC2, VBUS) are protected from input overvoltage events up to 28V. The back-to-back NFET driver and VBUS self-discharge control further simplify the USB PD designs. The RAA489000 supports reverse buck, boost, or buck-boost operation to the adapter/USB port from 2- to 4-cell batteries to allow configurations to support USB PD output for Programmable Power Supply (PPS) ports. Thanks to the on-chip TCPC and Renesas advanced R3™ Technology, RAA489000 is fully compliant with USB PD Sink Fast Role Swap (FRS) spec by monitoring CC line and bringing VBUS voltage back to a safe range rapidly.
The RAA489000 has dual SMBus/I2C ports supporting simultaneous direct charger function programming and CC line traffic through TCPCI when operating with a USB-C Port Manager (TCPM) such as the Renesas R9A02G015 to form a complete USB PD compliant solution for single-port or multi-port applications. The RAA489000 battery charger supports all NFETs solution and supports system power from the adapter, battery, or a combination of both. The on-chip ADC monitors the charging input voltage/current, battery voltage, charging/discharging current, and the battery temperature. For Intel™ IMVP compliant systems, the RAA489000 includes PROCHOT#.
Parameters
| Attributes | Value |
|---|---|
| Topology [Rail 1] | Buck-Boost |
| Input Voltage (Min) (V) | 3.9 |
| Input Voltage (Max) (V) | 23.4 |
| Input Current Limit Accuracy (% (±)) | 2.25 |
| Battery Charge Voltage | 3.9 to 18.304, 3.9 to 18.307 |
| Charging Voltage Accuracy (Max) (±%) | 0.5 |
| Battery Charge Voltage Adjustment | 8mV steps |
| Charge Current Limit Accuracy | ±2 |
| Trickle Charge Current Range | 64mA, 96mA, 128mA, 160mA, 192mA, 224mA, or 256mA |
| Switching Frequency Range (Typical) (kHz) | 600 - 1500 |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| QFN | 5.0 x 5.0 x 0.90 | 40 | 0.4 |
Application Block Diagrams
 | 100W USB PD In-Car Integrated Charger Charge devices efficiently on the go with a 100W USB PD 3.0 vehicle charger for travel convenience. |
Additional Applications
- Multi-cell tablets, notebooks, ultrabook, power bank
- Multi-Port USB-C applications with batteries
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Evaluation Board for Buck-Boost Battery Charger with USB-PD TCPC Interface
The RTKA489000DE0000BU evaluation board is designed to demonstrate the performance of the RAA489000 buck-boost battery charger. From the PROG pin to GND, the resistor can be used to program the default value numbers of the battery in series, the switching frequency, and the adapter current limit... Read More
100W USB Power Delivery (PD) Source Evaluation Board
The US274-100USBPDPOCZ is a USB Power Delivery (PD) evaluation board designed to support DC input and USB PD output. It features the RAA489000, a digitally configurable buck-boost battery charger equipped with a USB-C® Port Controller (TCPC).
This board supports USB PD 2.0, USB PD 3.1, and USB-C... Read More
