Parameter Value
Software over-current protection (SW OCP) 1.75 A
Soft over-voltage protection (SOVP) 16 V
Software over-temperature protection (SW OVTP) 85 °C
Hardware over-temperature protection (TSHUT) 105 °C
Iload 32 mA
ARC mode disable threshold 6 V
Vrect ready threshold (Vout is enabled) Vout setting + 240 mV
Manufacturer ID 0x0022
I
2
C address
0x61 (7-bit address)
16bit register address
high-byte first
low-byte second
• LDO setting (output current dependent)
– Highest LDO drop: 320 mV
– Lowest LDO drop: 128 mV
• Active interrupts
– Message received from TX
– OCP (over-current) protection
– RX Output on
– OVP (over-voltage) protection
– OVTP (over-temperature) protection
– Power Transfer Contract to EPP (15W). The Transmitter confirmed the EPP support.
• GPIO functions
– GPIO3 as Interrupt
– other GPIOs: no function
8.4
Typical performance characteristics
Board specifications as defined before (see Reference design specifications)
Table 10. Typical performance characteristics
Output current [mA]
Output voltage [V] Rectifier voltage (Vrect) [V] IC Temperature* [°C]
200 5.00 5.20 34
500 5.00 5.15 38
700 5.00 5.14 41
1000 4.97 5.10 48
*5 minutes at each point, internal thermal sensor, ambient temperature was 23 °C
8.4.1 Power up waveforms
The following figure shows the power up waveforms (receiver side) of a STWLC38 (RX) and STWBC86 (TX)
setup. Transmitter and Receiver coils are aligned; a 500-mA resistive load is connected to the receiver output.
UM3154
Typical performance characteristics
UM3154 - Rev 2
page 49/81
To Next Page
Loading...