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PSoC 6 WiFi-BT Pioneer Kit Guide, Doc. # 002-22677 Rev. *B 57
Kit Hardware
The power delivery system works as follows:
1. If the power delivery system detects a non Type-C power adapter (legacy USB), CCG3 will
charge the battery at 100 mA. CCG3 will also disable the consumer and provider paths.
2. On detection of a Type-C power adapter, CCG3 will request 5 V at 3 A, 9 V at 3 A, or 12 V at 3 A
depending on the host capability. After the power level is successfully negotiated, the consumer
path is enabled by turning ON the load switch
U13 . This load switch is hardware-limited to supply
up to 1 A through header J16 to an external device. CCG3 will use the remaining current to
charge the battery connected to J15 at a higher charging rate up to 1.5 A and PD output voltage
availability indicator ( LED7 ) will be turned ON.
3. CCG3 will also advertise that it can provide 5 V, 9 V, or 12 V if a DC power supply capable of pro-
viding either of these voltages is connected at VIN (J9) . The current is limited in this case to 1 A.
Note that the external supply must be capable of providing this current. If a connected, Type-C
device requests power, the provider path is enabled by turning on load switch
U31 . Table 4-4
details the power delivery scenarios for onboard CCG3.
For more information on USB Type-C power delivery with CCG3 device, see the EZ-PD CCG3 web-
page .
Table 4-4. Type-C table Power Delivery Scenarios
USB Host/Consumer
Capability
VIN
Consumer
Capability
Provider
Capability
External USB PD
Out (J16 Header) Battery Charging
Current
Non Type-C Power
adapter (Legacy USB)
<5 V N/A 0 0 100 mA
>5 V N/A 0 0 0
Type-C, PD power
adapter (12-V capable)
a
a. The table is valid only if the Type-C cable is connected first and then VIN is applied. If VIN is applied first, consumer capability will be N/A.
<12 V 12 V@3A 0
12 V@1A
b
b. Due to the voltage drop-in series components, the voltage at J16 is ~9 V when 12 V PD power adapter is used.
1.5A max
>12 V N/A 0 0 0
Type-C, capable of
providing max 9 V
a
<9 V 9 V@3A 0 9 V@1A 1.5A max
>9 V N/A 0 0 0
Type-C only, capable of
providing max 5 V
a
<5 5 V@3A 0 5 V@1A 1.5A max
>5 N/A 0 0 0
Type-C, requesting 12 V
a
≠12 V 0 5 V@1A 0 0
12 V 0 12 V@1A 0 0
Type-C, requesting 9 V
a
≠9 V 0 5 V@1A 0 0
9 V 0 9 V@1A 0 0
Type-C, requesting 5 V
a
≠5 V 0 5 V@1A 0 0
5 V 0 5 V@1A 0 0
Type-C, requesting
another voltage 5 V < VIN
<12 V
0 5 V@1A 0 0