Datasheet
NXP Semiconductors 5
10XS3435
4 Pin connections
Figure 3. 10XS3435 pin connections
Table 3. 10XS3435 pin definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 25.
Pin
number
Pin name Pin function Formal name Definition
1 CSNS Output
Output current
monitoring
This pin reports an analog value proportional to the designated HS[0:3] output
current or the temperature of the GND flag (pin 14). It is used externally to generate
a ground-referenced voltage for the microcontroller (MCU). Current recopy and
temperature feedback is SPI programmable.
2
3
5
6
IN0
IN1
IN2
IN3
Input Direct inputs
Each direct input controls the device mode. The IN[0 : 3] high-side input pins are
used to directly control HS0
: HS3 high-side output pins.
The PWM frequency can be generated from IN0 pin to PWM module in case of
external clock is set.
7 FS Output
Fault status
(active low)
This pin is an open drain configured output requiring an external pull-up resistor to
V
DD
for fault reporting.
8 WAKE Input Wake This input pin controls the device mode.
9 RST Input Reset
This input pin is used to initialize the device configuration and fault registers, as well
as place the device in a low-current sleep mode.
10 CS Input
Chip select
(active low)
This input pin is connected to a chip select output of a master microcontroller (MCU).
11 SCLK Input Serial clock
This input pin is connected to the MCU providing the required bit shift clock for SPI
communication.
12 SI Input Serial input
This pin is a command data input pin connected to the SPI Serial Data Output of the
MCU or to the SO pin of the previous device of a daisy-chain of devices.
13 VDD Power Digital drain voltage
This pin is an external voltage input pin used to supply power interfaces to the SPI
bus.
14, 17, 23 GND Ground Ground
These pins, internally shorted, are the ground for the logic and analog circuitry of the
device. These ground pins must be also shorted in the board.
Transparent Top View of Package
13
24
12 10 9 8 7 6 5 4 3 2 111
23
22
19 20 21
16
17
18
15
14
SO
GND
HS3
HS1 NC HS0
HS2
GND
FSI
VDD
SI
SCLK
CS
RST
WAKE
FS
IN3
IN2
NC
IN1
IN0
CSNS
GND
VPWR