SLLSFL9A July   2021  – December 2021 TCAN1046A-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings — IEC Specifications
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Characteristics
    6. 6.6  Supply Characteristics
    7. 6.7  Dissipation Ratings
    8. 6.8  Electrical Characteristics
    9. 6.9  Switching Characteristics
    10. 6.10 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

Package Options

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

6.8 Electrical Characteristics

Over recommended operating conditions with TJ = -40℃ to 150℃ (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 STB = 0 V 
TXD = 0 V
50 Ω ≤ RL ≤ 65 Ω, CL = 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 STB = 0 V 
TXD = VCC
RL = open (no load);
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
TXD = 250 kHz, 1 MHz, 2.5 MHz
RL = 60 Ω, CSPLIT = 4.7 nF, CL = open;
See Figure 7-2 and Figure 8-3		 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 STB = 0 V 
TXD = 0 V
50 Ω ≤ RL ≤ 65 Ω, CL = open;
See Figure 7-2 and Figure 8-3		 1.5 3 V
STB = 0 V
TXD = 0 V
45 Ω ≤ RL ≤ 70 Ω, CL = open;
See Figure 7-2 and Figure 8-3		 1.4 3.3 V
STB = 0 V
TXD = 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 STB = 0 V
TXD = VCC
RL = 60 Ω, CL = open;
See Figure 7-2 and Figure 8-3		 –120 12 mV
STB = 0 V 
TXD = VCC
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;
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
TXD = 0 V
V(CANH) = -15 V to 40 V, CANL = open;
See Figure 7-7 and Figure 8-3
 		 –115 mA
STB = 0 V 
TXD = 0 V
V(CAN_L) = -15 V to 40 V, CANH = open;
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
TXD = VCC
–27 V ≤ VBUS ≤ 32 V, where VBUS = CANH = CANL; 
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  and Table 8-5		 500 900 mV
VIT(STB) Input threshold
Standby mode		 STB = VCC
-12 V ≤ VCM ≤ 12 V;
See Figure 7-3 and 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 Figure 7-3 and 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 Figure 7-3 and 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		 115 mV
VCM Common mode range
Normal and standby modes		 See Figure 7-3  and Table 8-5 –12 12 V
ILKG(IOFF) Unpowered bus input leakage current (measured individually for each channel) 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 STB = 0 V
TXD = VCC
-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 TCAN1046A high-level input leakage current STB STB = VCC = 5.5 V –2 2 µA
IIL TCAN1046A low-level input leakage current STB STB = 0 V
VCC = 5.5 V,		 –20 –2 µA
ILKG(OFF) TCAN1046A unpowered leakage current STB = 5.5V
VCC = 0 V		 –1 1 µA