MAX14912 Datasheet, PDF (20/30 Pages) Maxim Integrated Products – Low Power and Heat Dissipation

MAX14912/MAX14913
Octal High-Speed, High-Side
Switch/Push-Pull Driver
Table 1. Global Configuration Pins
INPUT
SRIAL
CONFIGURATION
PUSHPL
Configures all OUT_ outputs as push-pull or high-side.
X
0 = All drivers in high-side mode unless configured as push-pull by serial interface.
1 = All drivers in push-pull mode.
OL/IN1
Enables global open-load detection in serial mode.
1
0 = Open-load detection disabled unless enabled by serial interface.
1 = Open-load detection enabled for all high-side mode switches.
CRC/IN3
Enables CRC generation and error detection on the serial interface.
1
0 = CRC error detection disabled.
1 = CRC error detection enabled.
FLTR
Enables anti-glitch filtering on all logic input pins except SDI and CLK. (Note 1)
X
0 = Glitch filtering disabled.
1 = Glitch filtering enabled.
WDEN/IN5
Enables watchdog on the SPI interface.
1
0 = Watchdog disabled.
1 = Watchdog enabled.
Note 1: PUSHPL and SRIAL are always filtered, independent of FLTR logic.
Table 2. Configuration Priority
CONFIGURATION
Push-Pull/
High-Side
SRIAL
1
Open-Load Detection
1
PUSHPL
Low
High
OL/IN1
Low
High
PRIORITY
RESULT
OUT_ drivers in high-side mode, unless configured individually
as push-pull through the serial interface.
All OUT_ drivers in push-pull mode, independent of serial
configuration.
RESULT
Open-load detection off, unless configured individually through
the serial interface.
Open-load detection enabled on all OUT_ outputs that operate
in high-side mode.
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