STMPE16M31PXQTR STMicroelectronics, STMPE16M31PXQTR Datasheet - Page 8

• Manufacturer Part Number: STMPE16M31PXQTR
• Description: IC CTLR TOUCHKEY 16CHAN 32-QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitive, PWM, Ratio Enginer

Specifications of STMPE16M31PXQTR

• Featured Product: STMPE16M31PX
• Number Of Inputs/keys: 16 Key, Slider
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k, 400k
• Voltage Reference: External
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN Exposed Pad
• Supply Voltage: 1.65 V to 1.95 V
• Number Of Channels: 16
• Dimensions: 4 mm L x 4 mm W x 0.8 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Resolution (bits): -
• Touch Panel Interface: -
• Other names: 497-10738-2

Pin assignment
1.1
1.2
8/75
Power scheme
The STMPE16M31PX is powered by a 2.7- 5.5 V supply. An internal voltage regulator
regulates this supply into 1.8 V for core operation. It is recommended to connect a 1 µF
capacitor at V
driving is required on the GPIO, the V
Figure 4.
Power states
The STMPE16M31PX operate in 3 states.
each of the power states.
Table 4.
Capacitive sensing
Proximity sensor
GPIO hotkey
PWM
I
2
C
Power supply scheme
Functions available in each power state
CC
pin for filtering purpose. The V
STMPE16M31PX
Hibernate
Doc ID 17058 Rev 2
Yes
Yes
No
No
No
GND
VCC
VIO
IO
should be at least 3.3 V.
Table 4
IO
powers all GPIOs directly, if any LED
illustrates the capability of the device in
Sleep
Slow
Yes
Yes
Yes
No
2.7 - 5.5 V
1 μF
STMPE16M31PX
Active
Yes
Yes
Yes
Yes
Yes
AM04129V2