Features
- Power transfer up to 5W
- Wide input voltage range: 4.25V to 21V
- WPC compatible
- Integrated step-down switching regulator
- Embedded 32-bit Arm® Cortex®-M0 processor
- Integrated drivers for external power FETs
- Simultaneous voltage and current demodulation scheme for robust communication
- Integrated current sense amplifier
- Low standby power
- Dedicated remote temperature sensing
- Two LED outputs that can indicate power transfer and fault conditions
- Foreign object detection (FOD)
- Active-Low Enable pin for electrical on/off
- Overcurrent and over-temperature protection
- Supports I²C interface
- -40 °C to +85 °C ambient operating temperature range
- 5mm x 5mm 40-VFQFPN RoHS-compliant package
P9235A-RB - Block Diagram
Description
The P9235A-RB is a highly integrated, magnetic induction, wireless power transmitter supporting up to 5W of total wireless system power. The P9235-RB offers a pre-programmed bootloader that must be used in conjunction with an external flash memory that contains control firmware. This architecture gives the user the flexibility to change the firmware in the external flash to meet application-specific requirements. Renesas also provides firmware to implement standard WPC coil configurations such as the A11a.
The P9235A-RB includes undervoltage lockout (UVLO), foreign object detection (FOD), and a thermal management circuit to safeguard the device under fault conditions. Together with the P9225-R receiver (RX), the P9235A-RB forms a complete 5W wireless power system solution.
The P9235A-RB is available in a Pb-free, space-saving 5mm x 5mm 40-VFQFPN package. The product is rated over an operating temperature range of -40 °C to +85 °C.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type | Moisture Sensitivity Level (MSL) |
|---|---|---|---|---|---|---|---|---|---|
| P9235A-RBNDGI | Obsolete | N/A | Out of Stock | VFQFPN | 40# | I | Yes | Tray | 3 |
| P9235A-RBNDGI8 | Obsolete | N/A | Out of Stock | VFQFPN | 40# | I | Yes | Reel | 3 |
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- Product Change NoticePDF 734 KB Nov 16, 2022
- Product Change NoticePDF 728 KB May 13, 2022
- Product Change NoticePDF 1.15 MB Jun 13, 2019
- White PaperPDF 627 KB 7WDXRDKU4E7E-5-61641 May 10, 2017Wireless power transfer uses an air-core transformer with separate transmitter and receiver coils, making accurate performance modeling difficult due to low magnetic coupling and increased losses. This paper addresses simulation challenges and describes methods to approximate circuit behavior. It demonstrates best practices for tuning Qi and PMA inductive resonance circuits to maximize charging efficiency for mobile devices.
- Product Change NoticePDF 983 KB Jun 25, 2019
- Product BriefPDF 246 KB 7WDXRDKU4E7E-6-11394 Nov 30, 2016
Recommended Documents (1)
Datasheets (1)
Manuals & Guides (1)
- White PaperPDF 627 KB 7WDXRDKU4E7E-5-61641 May 10, 2017Wireless power transfer uses an air-core transformer with separate transmitter and receiver coils, making accurate performance modeling difficult due to low magnetic coupling and increased losses. This paper addresses simulation challenges and describes methods to approximate circuit behavior. It demonstrates best practices for tuning Qi and PMA inductive resonance circuits to maximize charging efficiency for mobile devices.
Application Notes & White Papers (1)
- Product Change NoticePDF 734 KB Nov 16, 2022
- Product Change NoticePDF 728 KB May 13, 2022
- Product Change NoticePDF 983 KB Jun 25, 2019
- Product Change NoticePDF 1.15 MB Jun 13, 2019
Product Notices (PCN, EOL, etc) (4)
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- Product BriefPDF 246 KB 7WDXRDKU4E7E-6-11394 Nov 30, 2016
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