How fast charging can be useful
With the increase in the capacity of phone batteries, it was necessary to increase the power of the chargers in order to achieve a short charging time, for which it was necessary to increase the output power: voltage, current. Thus, chargers with Quick Charge 3.0, in addition to 5 V, can provide 9V / 12V / 20V + the ability to adjust in 0.2 V increments (up to 12 V).
In view of the prevalence of memory devices with this technology, there is interest in using them to obtain increased voltage without additional converters.
Connection diagram
The presented circuit will allow the pins configured as a push-pull output to supply the desired voltage values to the DN , DP pins :
| Both conclusions are negative
|
0 in
|
| The upper terminal is positive and the lower terminal is negative
|
0.6V
|
| Both conclusions to the plus
|
3.3V
|
Setting in STM32CubeMX
(Output Push Pull) (No pull-up and no pull-down) ( -> Enter User Label).
Quick Charge
QC 2.0 ( CHY100)
DN, DP DP, 0.325 2 ( 0.6 ) 1.25 . DN ( 0.325 ) 1 . , , :
QC 3.0 ( FAN6290Q)
200 , , Continuous Mode:
(5/9/12), (DN: 3.3 , DP: 0.6-3.3-0.6), (DP: 0.6 , DN: 3.3-0.6-3.3).
HAL, -, :
void QC_GPIO_9V(void){
/* DP: 0.6V; DN: 0.6V - preset */
HAL_GPIO_WritePin(QC_DP_UP_GPIO_Port, QC_DP_UP_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(QC_DP_DOWN_GPIO_Port, QC_DP_DOWN_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(QC_DN_UP_GPIO_Port, QC_DN_UP_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(QC_DN_DOWN_GPIO_Port, QC_DN_DOWN_Pin, GPIO_PIN_RESET);
HAL_Delay(1250); /* min 1.25s */
/* DP: 0.6V; DN: 0V */
HAL_GPIO_WritePin(QC_DN_UP_GPIO_Port, QC_DN_UP_Pin, GPIO_PIN_RESET);
HAL_Delay(1); /* min 1ms */
/* DP: 3.3V; DN: 0.6V for 9V */
HAL_GPIO_WritePin(QC_DP_UP_GPIO_Port, QC_DP_UP_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(QC_DP_DOWN_GPIO_Port, QC_DP_DOWN_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(QC_DN_UP_GPIO_Port, QC_DN_UP_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(QC_DN_DOWN_GPIO_Port, QC_DN_DOWN_Pin, GPIO_PIN_RESET);
}:
QC_GPIO_5V();
QC_GPIO_9V();
QC_GPIO_12V();
QC_GPIO_20V();
QC_GPIO_Reg();
QC_GPIO_Dec();
QC_GPIO_Inc();STM32CubeIDE GitHub: Quick-Charge-STM32-HAL
( QC 3.0):
:
:
USB Type-C 5.1 CC1, CC2 GND, UFP (Upstream Facing Port).
, , .
, ( VBUS 3.3 ) — "".
USB-A USB-C
, 65 USB Type-C.
, 4.2 , 3.7 .
Power Delivery (PD), Quick Charge (QC), .
, 20 , . , , .