6.5 STWBC2 default configuration
Table 15. Basic parameters
Parameter Value
Transmitter topology MPA2
Tx bridge mode Half (BPP)/Full (EPP, STSC)
Minimum duty cycle 10%
Maximum duty cycle 50%
Minimum operating frequency 110 kHz
Maximum operating frequency 148 kHz
Ping duty cycle 50%
Ping frequency 146 kHz
Ping duration 75 ms
Digital Ping interval 1,250 ms
Analog ping interval 250 ms
Overcurrent protection (OCP) 5 A
Maximum startup voltage 12.5 V
Chip overtemperature protection (OVTP) 110 °C
NTC protection 70 °C
Note: Frequency band: 140.6-142.9 kHz; H-field: -5.17 dBuA/m at 10 m (for EU/UK)
UM3286
STEVAL-WBC2TX70 description
UM3286 - Rev 1
page 57/84
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