Details

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BUY TJA1029T https://www.utsource.net/itm/p/11684729.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating	4.5	5.0	5.5	V
Standby Current	ISB	VIN = 5V, Sleep Mode	-	20	-	μA
Quiescent Current	IQ	Normal Operation	-	1.0	-	mA
Output Current	IO	Short-Circuit Protection	-	-	30	mA
Differential Input Voltage	VID	CANH-CANL	-2	0	2	V
Common-Mode Input Voltage	VICM	CANH, CANL	-2	2.5	7	V
Data Rate	Bit Rate	Maximum Supported	-	-	2	Mbit/s
Propagation Delay	tPD	Differential Input to Output	-	250	-	ns
Receiver Input Resistance	RIN	Differential	-	120	-	kΩ

Instructions for TJA1029T:

1. Power Supply Connection:

   • Connect the supply voltage (VCC) within the range of 4.5V to 5.5V.
   • Ensure a stable power supply to avoid transient issues.

2. Sleep Mode Operation:

   • To enter sleep mode, set the appropriate pin to low. This reduces the current consumption to approximately 20μA.
   • Wake-up from sleep mode by toggling the wake-up pin or applying a signal on the CAN bus.

3. CAN Bus Termination:

   • Use 120Ω termination resistors at both ends of the CAN bus for optimal performance and to minimize reflections.

4. Signal Integrity:

   • Keep the CANH and CANL lines as short as possible and use twisted pair cables to maintain differential signaling integrity.
   • Ensure the common-mode voltage remains within the specified range (-2V to 7V).

5. Data Transmission:

   • The device supports data rates up to 2 Mbit/s. Ensure that the network's bit timing settings are configured correctly for reliable communication.

6. Protection Features:

   • The TJA1029T includes short-circuit protection on the output stage, limiting the output current to 30mA to protect against overcurrent conditions.

7. Environmental Considerations:

   • Operate the device within its specified temperature range to ensure reliability and longevity.
   • Shield the device from electromagnetic interference (EMI) using appropriate shielding techniques and PCB layout practices.

(For reference only)