Features
- Fully integrated battery management solution with battery capacity measurement and programmable protection capability.
- Supports 2-4 series Li-ion or Li-Polymer battery cells
- Integrated with Renesas Ultra Low Power RL78 CPU core for multi-function process
- Memory
- Code flash memory: 64KB
- Data flash memory (up to 100,000 erase/write cycles): 4 KB
- SRAM: 4 KB
- Clock generator
- High-Speed on-chip oscillator: up to 32 MHz
- Low speed on-chip oscillator: 15 KHz
- AFE on-chip oscillator: 4.194MHz
- General Purpose I/O Ports
- Total: 12 pins
- CMOS input/output: 6
- CMOS input: 2
- N-ch open drain: 2
- High voltage input [VCC tolerance]: 1
- High voltage output [VCC tolerance]: 1
- Serial interface
- CSI (SPI): 1 channel
- I2C: 1 channel
- UART: 1 channel
- Simplified I2C: 1 channel
- Timer
- MCU 16-bit timer: 5 channels
- MCU 12-bit interval timer: 1 channel
- AFE timer: 2 channels
- AFE timer A: setting range: 125 ms to 64 s
- AFE timer B: setting range: 30.52 us to 125 ms
- Embedded A/D converter
- AFE 15-bit resolution sigma-delta A/D converter
- Current integration circuit
- 18-bit resolution sigma-delta A/D converter
- Impedance measurement circuit
- Simultaneous measurement of battery voltage and current
- Over current detection circuit
- Short circuit current detection
- Charge overcurrent detection
- Discharge overcurrent detection
- Charge wakeup current detection
- Discharge wakeup current detection
- Series regulator
- 3.3V CREG2
- 1.8V CREG1
- Charge and Discharge MOSFET control
- High side Nch MOSFET drive circuit embedded
- Programmable MOSFET control by 8-bit PWM
- Fuse control
- FUSEOUT pin can support fuse blow function.
- Support Intel® Dynamic Battery Power Technology (Intel® DBPT) Note
- Voltage and temperature condition
- Power supply voltage: VCC = 4.0 to 25 V
- Operating ambient temperature: Ta = -20 to +85°C
- Package Information
- 32 pin plastic mold QFN ([Body] 4.0 mm x 4.0 mm, 0.4 mm pitch)
Note Intel and the Intel logo are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
RAJ24000xxDNP_RAJ240100GFP Functional Diagram
Description
RAJ240045 is Renesas Li-ion battery fuel gauge IC (FGIC) which consists of a MCU device and an AFE device in a single package. Pack with a variety of battery management features and Renesas RL78 CPU core which has multiple low power modes and capable of achieving high performance in ultra-low power operation. RAJ240045 fuel gauge IC has control firmware stored in embedded flash memory to control attached embedded analog and digital circuits to execute battery voltage / current / temperature measurement, remaining capacity estimation, over current / voltage / temperature protection and other battery management operations.
Parameters
| Attributes | Value |
|---|---|
| Series Cells | 2 to 4 Cells |
| Supply Voltage (V) | 4 - 25 |
| Comm. Interface | I2C, UART |
| Flash Memory (KB) | 64 |
| Charge/Discharge FET Control | High Side |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) |
|---|---|---|
| QFN | 4 x 4 x 0.95 | 32 |
Application Block Diagrams
 | Smart Waste Bin Smart waste bins monitor the environment and trash levels and ensure efficient communication. |
 | Watercraft Emergency Broadcast System The watercraft emergency broadcast system features high-performance control, HMI, GNSS connection, system encryption, and adaptive solar charging. |
Complete Your Design
Explore complementary products to elevate your design
Loading
Filters
Partner Solutions
Model-Based Development PlatformOffers electrochemical battery models designed to run on Renesas battery management solution platforms, enabling more accurate state estimation and improved overall battery performance.Provided By: BattGenie
No Results Found.
Check Spelling
Make sure all keywords are spelled correctly.
Make sure all keywords are spelled correctly.
Adjust Keywords
Try fewer, different, or more general terms to vary your search.
Try fewer, different, or more general terms to vary your search.
Review Filters
If you have filters applied, consider deselecting some to broaden your results.
If you have filters applied, consider deselecting some to broaden your results.
Need help?
- Search our extensive knowledgebase, designed to help customers with their FAQs.
- Get help from our expert Renesas technical staff and community on our support forums.
No Results Found.
Check Spelling
Make sure all keywords are spelled correctly.
Make sure all keywords are spelled correctly.
Adjust Keywords
Try fewer, different, or more general terms to vary your search.
Try fewer, different, or more general terms to vary your search.
Review Filters
If you have filters applied, consider deselecting some to broaden your results.
If you have filters applied, consider deselecting some to broaden your results.
Need help?
- Search our extensive knowledgebase, designed to help customers with their FAQs.
- Get help from our expert Renesas technical staff and community on our support forums.
No Results Found.
Check Spelling
Make sure all keywords are spelled correctly.
Make sure all keywords are spelled correctly.
Adjust Keywords
Try fewer, different, or more general terms to vary your search.
Try fewer, different, or more general terms to vary your search.
Review Filters
If you have filters applied, consider deselecting some to broaden your results.
If you have filters applied, consider deselecting some to broaden your results.
Need help?
- Search our extensive knowledgebase, designed to help customers with their FAQs.
- Get help from our expert Renesas technical staff and community on our support forums.
No Results Found.
Check Spelling
Make sure all keywords are spelled correctly.
Make sure all keywords are spelled correctly.
Adjust Keywords
Try fewer, different, or more general terms to vary your search.
Try fewer, different, or more general terms to vary your search.
Review Filters
If you have filters applied, consider deselecting some to broaden your results.
If you have filters applied, consider deselecting some to broaden your results.
Need help?
- Search our extensive knowledgebase, designed to help customers with their FAQs.
- Get help from our expert Renesas technical staff and community on our support forums.
- Model-Based Development PlatformOffers electrochemical battery models designed to run on Renesas battery management solution platforms, enabling more accurate state estimation and improved overall battery performance.Provided By: BattGenie
Partner Solutions (1)
Support Communities
-
What do I need to get starting with RAJ240045DNP ?
Hello, I am Ionel Popovici form Hungary, I have a company which designs BMS to be integrated in a pack 3s2p for general customers consuming. In the past I used chips from Texas Instruments liks BQ40z50. But now I want to start a line with Renesas RAJ240045A20DNP. I have an ...
Dec 6, 2023 -
RAJ240045
Hi guys! Need help RL78 T01 (R110GV210), where you can download the document RAJ240045 Users Manual Hardware RAJ2400045
Jan 27, 2021
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
Knowledge Base
Browse our knowledge base for helpful articles, FAQs, and other useful resources.
