SLLSF18A March   2020  – September 2020 TCAN1046-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Characteristics
    5. 6.5 Supply Characteristics
    6. 6.6 Dissipation Ratings
    7. 6.7 Electrical Characteristics
    8. 6.8 Switching Characteristics
    9. 6.9 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Pin Description
        1. 8.3.1.1 TXD1 and TXD2
        2. 8.3.1.2 GND1 and GND2
        3. 8.3.1.3 VCC1 and VCC2
        4. 8.3.1.4 RXD1 and RXD2
        5. 8.3.1.5 CANH1, CANL1, CANH2, and CANL1
        6. 8.3.1.6 STB1 and STB2 (Standby)
      2. 8.3.2 CAN Bus States
      3. 8.3.3 TXD Dominant Timeout (DTO)
      4. 8.3.4 CAN Bus Short Circuit Current Limiting
      5. 8.3.5 Thermal Shutdown (TSD)
      6. 8.3.6 Undervoltage Lockout
      7. 8.3.7 Unpowered Device
      8. 8.3.8 Floating pins
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operating Modes
      2. 8.4.2 Normal Mode
      3. 8.4.3 Standby Mode
        1. 8.4.3.1 Remote Wake Request via Wake-Up Pattern (WUP) in Standby Mode
      4. 8.4.4 Driver and Receiver Function
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 CAN Termination
      2. 9.2.2 Detailed Design Procedures
        1. 9.2.2.1 Bus Loading, Length and Number of Nodes
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.7 Electrical Characteristics

Over recommended operating conditions with TA = -40℃ to 125℃ (unless otherwise noted); CAN electrical parameters apply to both channels
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Driver Electrical Characteristics
VO(DOM) Dominant output voltage Normal mode CANH TXD = 0 V, STB = 0 V , 50 Ω ≤ RL ≤ 65 Ω, CL = open, RCM = open
See Figure 7-2 and Figure 8-3,		 2.75 4.5 V
CANL 0.5 2.25 V
VO(REC) Recessive output voltage Normal mode CANH and CANL TXD = VCC, STB = 0 V , RL = open (no load), RCM = open
See Figure 7-2 and Figure 8-3		 2 0.5 VCC 3 V
VSYM Driver symmetry
(VO(CANH) + VO(CANL))/VCC		 STB = 0 V , RL = 60 Ω, CSPLIT = 4.7 nF, CL = open, RCM = open, TXD = 250 kHz, 1 MHz, 2.5 MHz
See Figure 7-2 and Figure 9-2		 0.9 1.1 V/V
VSYM_DC DC output symmetry
(VCC - VO(CANH) - VO(CANL))		 STB = 0 V , RL = 60 Ω, CL = open
See Figure 7-2 and Figure 8-3		 –400 400 mV
VOD(DOM) Differential output voltage Normal mode
Dominant		 CANH - CANL TXD = 0 V, STB = 0 V , 50 Ω ≤ RL ≤ 65 Ω, CL = open
See Figure 7-2 and Figure 8-3		 1.5 3 V
TXD = 0 V, STB = 0 V , 45 Ω ≤ RL ≤ 70 Ω, CL = open
See Figure 7-2 and Figure 8-3		 1.4 3.3 V
TXD = 0 V, STB = 0 V , RL = 2240 Ω, CL = open
See Figure 7-2 and Figure 8-3		 1.5 5 V
VOD(REC) Differential output voltage Normal mode
Recessive		 CANH - CANL TXD = VCC, STB = 0 V , RL = 60 Ω, CL = open
See Figure 7-2 and Figure 8-3		 –120 12 mV
TXD = VCC, STB = 0 V , RL = open, CL = open
See Figure 7-2 and Figure 8-3		 –50 50 mV
VO(STB) Bus output voltage
Standby mode		 CANH STB = VCC , RL = open (no load)
See Figure 7-2 and Figure 8-3		 -0.1 0.1 V
CANL -0.1 0.1 V
CANH - CANL -0.2 0.2 V
IOS(SS_DOM) Short-circuit steady-state output current, dominant
Normal mode		 STB = 0 V , V(CANH) = -15 V to 40 V, CANL = open, TXD = 0 V
See Figure 7-7 and Figure 8-3		 –115 mA
STB = 0 V , V(CAN_L) = -15 V to 40 V, CANH = open, TXD = 0 V
See Figure 7-7 and Figure 8-3		 115 mA
IOS(SS_REC) Short-circuit steady-state output current, recessive
Normal mode		 STB = 0 V , –27 V ≤ VBUS ≤ 32 V, where VBUS = CANH = CANL, TXD = VCC
See Figure 7-7 and Figure 8-3		 –5 5 mA
Receiver Electrical Characteristics
VIT Input threshold voltage
Normal mode 		STB = 0 V , -12 V ≤ VCM ≤ 12 V
See Figure 7-3, Figure 7-3, and Table 8-5		 500 900 mV
VIT(STB) Input threshold
Standby mode		 STB = VCC
See Table 8-5		 400 1150 mV
VDOM Dominant state differential input voltage range
Normal mode 		STB = 0 V , -12 V ≤ VCM ≤ 12 V
See Figure 7-3, and Table 8-5 		 0.9 9 V
VREC Recessive state differential input voltage range
Normal mode 		STB = 0 V , -12 V ≤ VCM ≤ 12 V
See Figure 7-3, and Table 8-5 		 -4 0.5 V
VDOM(STB) Dominant state differential input voltage range
Standby mode		 STB = VCC , -12 V ≤ VCM ≤ 12 V
See Table 8-5		 1.15 9 V
VREC(STB) Recessive state differential input voltage range
Standby mode		 STB = VCC , -12 V ≤ VCM ≤ 12 V
See Table 8-5		 -4 0.4 V
VHYS Hysteresis voltage for input threshold
Normal mode		 STB = 0 V , -12 V ≤ VCM ≤ 12 V
See Figure 7-3, and Table 8-5 		 100 mV
VCM Common mode range
Normal and standby modes		 See Figure 7-3 and Table 8-5  –12 12 V
ILKG(OFF) Unpowered bus input leakage current CANH = CANL = 5 V, VCC = GND 5 µA
CI Input capacitance to ground (CANH or CANL)
TXD = VCC
 20 pF
CID Differential input capacitance 10 pF
RID Differential input resistance TXD = VCC, STB = 0 V , -12 V ≤ VCM ≤ 12 V 40 90 kΩ
RIN Single ended input resistance
(CANH or CANL)		 20 45 kΩ
RIN(M) Input resistance matching
[1 – (RIN(CANH) / RIN(CANL))] × 100 %		 V(CAN_H) = V(CAN_L) = 5 V –1 1 %
TXD Terminal (CAN Transmit Data Input)
VIH High-level input voltage 0.7 VCC V
VIL Low-level input voltage 0.3 VCC V
IIH High-level input leakage current TXD = VCC = 5.5 V –2.5 0 1 µA
IIL Low-level input leakage current TXD = 0 V, VCC = 5.5 V –200 -100 –20 µA
ILKG(OFF) Unpowered leakage current TXD = 5.5 V, VCC = 0 V –1 0 1 µA
CI Input Capacitance VIN = 0.4×sin(2×π×2×106×t)+2.5 V 5 pF
RXD Terminal (CAN Receive Data Output)
VOH High-level output voltage
IO = –2 mA,
See Figure 7-3		 0.8 VCC V
VOL Low-level output voltage
IO = +2 mA,
See Figure 7-3		 0.2 VCC V
ILKG(OFF) Unpowered leakage current RXD = 5.5 V, VCC = 0 V –1 0 1 µA
STB Terminal (Standby Mode Input)
VIH High-level input voltage 0.7 VCC V
VIL Low-level input voltage 0.3 VCC V
IIH High-level input leakage current VCC = STB = 5.5 V –2 2 µA
IIL Low-level input leakage current VCC = 5.5 V, STB = 0 V –20 –2 µA
ILKG(OFF) Unpowered leakage current STB = 5.5V, VCC = 0 V –1 0 1 µA