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TCAN24XX-Q1-DESIGN — CAN FD and CAN FD SIC system basis chips (SBC) full datasheets and design resources
Automotive CAN FD/ CAN FD SIC system basis chip (SBC) with buck regulator and partial networking
TCAN2451-Q1
- AEC-Q100 qualified for automotive applications
- Meets the requirements of ISO 11898-2:2024 for CAN-FD and CAN-FD Signal Improvement Capability (SIC)
- Integrated 3.3V or 5V Buck regulator (VCC1) with 1 A output capability
- Pin-selectable output (3.3V or 5V) based on VSEL pin connection
- Switching frequency options from 1.8MHz to 2.4MHz to enable a smaller on-board inductor
- Integrated spread spectrum modulation to improve EMC performance
- 5V LDO regulator (VCC2) supporting up to 200mA with off-board capability and short-to-battery protection
- Multiple methods to wake-up from Sleep mode
- CAN bus wake-up pattern (WUP)
- Local wake up (LWU) via four WAKE pins
- Cyclic sensing wake-up using a high-side switch (HSS4)
- Selective wake/partial networking capability, TCAN2451-Q1 only
- Digital wake-up using SW pin
- WAKE pins configurable as ID pins to identify ECU location in the vehicle
- Four high-side switches to support multiple loads and allow for cyclic sensing wake
- Fail-safe output pin (LIMP) that can also be used optionally as a low-side switch
- ±58V Bus fault protection
- Advanced CAN bus fault diagnostics
- Timeout, window and Q&A watchdog support
- Access to EEPROM to save device configuration
- Available in 32-pin leadless package with wettable flank for improved automated optical inspection (AOI) capability
The TCAN245x-Q1 is a family of system basis chips (SBC) that provide a control area network flexible data rate capable (CAN FD) transceiver that meets the physical layer requirements of ISO-11898:2-2024 including the SIC specification. The CAN FD transceiver supports data rates up to 8Mbps. The TCAN245x-Q1 integrates a buck regulator (VCC1) that can output either 3.3V or 5V, and provide up to 1A output current. The buck regulator integrates spread spectrum modulation to improve EMC performance. VCC2 LDO provides 5V output for loads up to 200 mA. TCAN2451-Q1 supports Partial Networking by recognizing a selective wakeup frame (WUF)
The TCAN245x-Q1 includes features such as LIMP, four local wake inputs and four high side switches. The high side switch can be on/off, 10-bit PWM or timer controlled. Using the GFO pin, it is possible to control an external CAN FD, LIN transceiver, CAN SBC or LIN SBC. The WAKE pins can be configured for static sensing, cyclic sensing (with HSS4 pin) and pulse based for waking up. These devices provide EEPROM to store specific device configuration information thus avoiding extensive reprogramming after power fluctuations.
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View all 2 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TCAN245x-Q1 Automotive Signal Improvement Capable CAN FD System Basis Chip (SBC) with Integrated Buck Regulator and Watchdog datasheet | PDF | HTML | 03 Apr 2024 |
| Certificate | TCAN24XXEVM EU Declaration of Conformity (DoC) | 14 Mar 2024 |
Design & development
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Evaluation board
TCAN24XXEVM — TCAN24xx family evaluation module
This EVM can be used to evaluate the TCAN24xx-Q1 family of devices, including the TCAN2451-Q1, TCAN2450-Q1, TCAN2411-Q1 and TCAN2410-Q1. All IC signals are available on the board, and features of the TCAN24xx-Q1 are accessible through the board's components.
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User guide: PDF
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VQFN (RHB) | 32 | Ultra Librarian |
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