MAX17843 datasheet(8/131 Pages) MAXIM

8 / 131 page

MAX17843

12-Channel, High-Voltage Smart Sensor

Data-Acquisition Interface

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Figure 38. VAA Diagnostic ADC2................................................................. 67

Figure 39. LSAMP Offset Diagnostic.............................................................. 68

Figure 40. ADC Zero-Scale Diagnostic ............................................................ 68

Figure 41. ADC Full-Scale Diagnostic ............................................................. 69

Figure 42. Balancing Switch Short................................................................ 70

Figure 43. BALSW Short Diagnostic .............................................................. 70

Figure 44. BALSW Open Diagnostics ............................................................. 72

Figure 45. Cell Sense-Wire Open Diagnostics ...................................................... 73

Figure 46. Sense-Wire Open Diagnostic ............................................................74

Figure 47. Test Current Sources ................................................................. 76

Figure 48. Shutdown Diagnostic Timing ........................................................... 77

Figure 49. HVMUX Switch Open Diagnostic ........................................................ 77

Figure 50. SWn to Cn Short..................................................................... 80

Figure 51. SWn-1 to Cn Short ................................................................... 80

Figure 52. Redundant HVMUX Paths ............................................................. 81

Figure 53. HVMUX Sequencer Diagnostic ......................................................... 82

Figure 54. HVMUX Sequencer Diagnostic ......................................................... 83

Figure 55. ALU Diagnostic ...................................................................... 84

Figure 56. AUXINn Open Diagnostic .............................................................. 85

Figure 57. AUXINn Open Diagnostic .............................................................. 86

Figure 58. Electric Vehicle System ............................................................... 88

Figure 59. Daisy-Chain System .................................................................. 89

Figure 60. Distributed System ................................................................... 90

Figure 61. External Cell Balancing (BJT)........................................................... 91

Figure 62. UART Connection.................................................................... 92

Figure 63. High-Z Idle Mode Application Circuit ..................................................... 93

Figure 64. External ESD Protection for UART TX Ports ............................................... 93

Figure 65. External ESD Protection for UART RX Ports............................................... 94

Figure 66. Application Circuit for Single-Ended Mode ................................................ 94

Figure 67. UART Transformer Isolation ............................................................ 95

Figure 68. UART Optical Isolation ................................................................ 96

Figure 69. Device Initialization Sequence in Differential Mode.......................................... 97

Figure 70. CRC Calculation ..................................................................... 97

Figure 71. PEC Calculation Pseudocode........................................................... 98

LIST OF FIGURES (CONTINUED)

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