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TJA1051 PDF даташит

Спецификация TJA1051 изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «High-speed CANtransceiver».

Детали детали

Номер произв TJA1051
Описание High-speed CANtransceiver
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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TJA1051 Даташит, Описание, Даташиты
TJA1051
High-speed CAN transceiver
Rev. 7 — 15 January 2015
Product data sheet
1. General description
The TJA1051 is a high-speed CAN transceiver that provides an interface between a
Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus.
The transceiver is designed for high-speed CAN applications in the automotive industry,
providing differential transmit and receive capability to (a microcontroller with) a CAN
protocol controller.
The TJA1051 belongs to the third generation of high-speed CAN transceivers from NXP
Semiconductors, offering significant improvements over first- and second-generation
devices such as the TJA1050. It offers improved ElectroMagnetic Compatibility (EMC)
and ElectroStatic Discharge (ESD) performance, and also features:
Ideal passive behavior to the CAN bus when the supply voltage is off
TJA1051T/3 and TJA1051TK/3 can be interfaced directly to microcontrollers with
supply voltages from 3 V to 5 V
The TJA1051 implements the CAN physical layer as defined in the current ISO11898
standard (ISO11898-2:2003). Pending the release of the updated version of ISO11898-2
including CAN FD, additional timing parameters defining loop delay symmetry are
specified. This implementation enables reliable communication in the CAN FD fast phase
at data rates up to 2 Mbit/s.
These features make the TJA1051 an excellent choice for all types of HS-CAN networks,
in nodes that do not require a standby mode with wake-up capability via the bus.
2. Features and benefits
2.1 General
Fully ISO 11898-2:2003 compliant
Loop delay symmetry timing enables reliable communication at data rates up to
2 Mbit/s in the CAN FD fast phase
Suitable for 12 V and 24 V systems
Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)
VIO input on TJA1051T/3 and TJA1051TK/3 allows for direct interfacing with 3 V to 5 V
microcontrollers (available in SO8 and very small HVSON8 packages respectively)
EN input on TJA1051T/E allows the microcontroller to switch the transceiver to a very
low-current Off mode
Available in SO8 package or leadless HVSON8 package (3.0 mm 3.0 mm) with
improved Automated Optical Inspection (AOI) capability









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TJA1051 Даташит, Описание, Даташиты
NXP Semiconductors
TJA1051
High-speed CAN transceiver
Dark green product (halogen free and Restriction of Hazardous Substances (RoHS)
compliant)
AEC-Q100 qualified
2.2 Low-power management
Functional behavior predictable under all supply conditions
Transceiver disengages from the bus when not powered up (zero load)
2.3 Protection
High ElectroStatic Discharge (ESD) handling capability on the bus pins
Bus pins protected against transients in automotive environments
Transmit Data (TXD) dominant time-out function
Undervoltage detection on pins VCC and VIO
Thermally protected
3. Quick reference data
Table 1.
Symbol
VCC
VIO
Vuvd(VCC)
Vuvd(VIO)
ICC
IIO
VESD
VCANH
VCANL
Tvj
Quick reference data
Parameter
Conditions
supply voltage
supply voltage on pin VIO
undervoltage detection
voltage on pin VCC
undervoltage detection
voltage on pin VIO
supply current
Silent mode
Normal mode; bus
recessive
Normal mode; bus
dominant
supply current on pin VIO Normal and Silent
modes
electrostatic discharge
voltage
recessive; VTXD = VIO
dominant; VTXD = 0 V
IEC 61000-4-2 at pins
CANH and CANL
voltage on pin CANH
voltage on pin CANL
virtual junction temperature
Min
4.5
2.8
3.5
1.3
0.1
2.5
20
-
-
8
58
58
40
Typ Max Unit
- 5.5 V
- 5.5 V
- 4.5 V
2.0 2.7 V
1 2.5 mA
5 10 mA
50 70 mA
80 250
350 500
- +8
A
A
kV
- +58 V
- +58 V
- +150 C
TJA1051
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 15 January 2015
© NXP N.V. 2015. All rights reserved.
2 of 22









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TJA1051 Даташит, Описание, Даташиты
NXP Semiconductors
TJA1051
High-speed CAN transceiver
4. Ordering information
Table 2. Ordering information
Type number
Package
Name
TJA1051T
SO8
TJA1051T/3[1]
SO8
TJA1051T/E[1]
SO8
TJA1051TK/3[1] HVSON8
Description
plastic small outline package; 8 leads; body width 3.9 mm
plastic small outline package; 8 leads; body width 3.9 mm
plastic small outline package; 8 leads; body width 3.9 mm
plastic thermal enhanced very thin small outline package; no leads;
8 terminals; body 3 3 0.85 mm
Version
SOT96-1
SOT96-1
SOT96-1
SOT782-1
[1] TJA1051T/3 and TJA1051TK/3 with VIO pin; TJA1051T/E with EN pin.
5. Block diagram
VIO(1)
5
VCC
3
VI/O(1)
TEMPERATURE
PROTECTION
1
TXD
TIME-OUT
SLOPE
CONTROL
AND
DRIVER
VCC TJA1051
7
CANH
6
CANL
S8
EN(2) 5
MODE
CONTROL
RXD 4
DRIVER
TJA1051
Product data sheet
2
GND
015aaa036
(1) In a transceiver without a VIO pin, the VIO input is internally connected to VCC.
(2) Only present in the TJA1051T/E.
Fig 1. Block diagram
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 15 January 2015
© NXP N.V. 2015. All rights reserved.
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