Proximity Sensing Can Lid BS45F3336
Transcript of Proximity Sensing Can Lid BS45F3336
Characteristics Applications
2021 HOLTEK New Product Presentation
Block Diagram
Proximity Sensing Can Lid BS45F3336
C04
Trash cans, soup dispensers, water taps, etc.■ Constant current to drive IR LEDs directly
■ Dedicated sensing AFE, reduced external component count
■ Touch keys for product designs
■ H-Bridge to directly drive DC motors or solenoid valves
■ Sensing distance up to 40cm
■ Average current consumption lower than 40μA
IR LED RXIR LED TX
6.0V
HT7533
VVi Vo
BS45F3336
Indicator
DC Motor
Touch Keys
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
GND
GND
R41k
C20.1uf
C30.1uf
C410uf
1
VOUT3
VIN2
U2
HT7133
C50.1uf
C60.1uf
C847uf
T_LED
R_LED
R6200K
R5200K
C11
150pf
GND
R3
1k
C70.1uf
Vibration
GND
LED1
R1
330R
M1motor
C120.1uf
C1310pf
GND
R90.47R
VDD
TOUCH_KEY
VDD
C10100uf
VBAT
PGND
VBAT
C90.1uf
PGND
R7
1k
PGND
C140.1uf
PGND
VBAT
VDD
PA2/OPDAN/[VBAT]/ICPCK/OCDSCL23
PA1/OPDAO/AN1/[CTP]24
PA3/OPDAP22
PA5/CTCK21
PA6/[OPDAP]/AN2/CTPB 20
PA0/INT/AN0/[CTP]/ICPDA/OCDSDA 19
OUT1 18
PGND 17
OUT2 14
VM 13
HBVDD12
HBVSS11
PA7/AN310
VDD/AVDD9
VSS8
AVSS7
ISINK06
ISINK15
PA4/VBAT 4
PB2/KEY1/VREF2
PB4/CTP 1
PB3/KEY23
NC15
NC16
BS45F3336
R8620K
R10330K
PGND
C150.1uf
PGND
C110uf
R2
0R
PGND
GND
VBAT