SCPS285A
november 2022 – august 2023
TCAL9539-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
I2C Bus Timing Requirements
6.8
Switching Characteristics
6.9
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
I/O Port
8.3.2
Adjustable Output Drive Strength
8.3.3
Interrupt Output (INT)
8.3.4
Reset Input (RESET)
8.3.5
Software Reset Call
8.4
Device Functional Modes
8.4.1
Power-On Reset
8.5
Programming
8.5.1
I2C Interface
8.6
Register Maps
8.6.1
Device Address
8.6.2
Control Register and Command Byte
8.6.3
Register Descriptions
8.6.4
Bus Transactions
8.6.4.1
Writes
8.6.4.2
Reads
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Minimizing ICC When I/Os Control LEDs
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.3.1
Power-On Reset Requirements
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTW|24
MPQF167C
Thermal pad, mechanical data (Package|Pins)
RTW|24
QFND125K
Orderable Information
scps285a_oa
scps285a_pm
7
Parameter Measurement Information
A.
C
L
includes probe and jig capacitance. tocf is measured with C
L
of 10 pF or 400 pF.
B.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
C.
All parameters and waveforms are not applicable to all devices.
Figure 7-1
I
2
C Interface Load Circuit and Voltage Waveforms
A.
C
L
includes probe and jig capacitance.
B.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
C.
All parameters and waveforms are not applicable to all devices.
Figure 7-2
Interrupt Load Circuit and Voltage Waveforms
A.
C
L
includes probe and jig capacitance.
B.
t
pv
is measured from 0.7 × V
CC
on SCL to 50% I/O (Pn) output.
C.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
D.
The outputs are measured one at a time, with one transition per measurement.
E.
All parameters and waveforms are not applicable to all devices.
Figure 7-3
P-Port Load Circuit and Timing Waveforms
A.
C
L
includes probe and jig capacitance.
B.
All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
C.
The outputs are measured one at a time, with one transition per measurement.
D.
I/Os are configured as inputs.
E.
All parameters and waveforms are not applicable to all devices.
Figure 7-4
Reset Load Circuits and Voltage Waveforms