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| 型号： | 33888 |
| 厂商： | Motorola, Inc. |
| 英文描述： | Quad High-Side and Octal Low-Side Switch for Automotive |
| 中文描述： | 四高边和八路低端汽车开关 |
| 文件页数： | 7/32页 |
| 文件大小： | 667K |
| 代理商： | 33888 |
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MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33888
7
7
10
13
16
LS5
LS7
LS9
LS11
Low-Side Output 5
Low-Side Output 7
Low-Side Output 9
Low-Side Output 11
Each low-side terminal is one 0.6
low-side output MOSFET drain, which pulls
current through the connected loads. Each of the outputs is actively clamped at
53 V. These outputs are current and thermal overload protected. Maximum steady
state current through each of these outputs is 800 mA.
17
V
DD
Digital Drain Voltage (Power)
This is an external input terminal used to supply power to the SPI circuit.
18
SO
Serial Output
This is an output terminal connected to the SPI Serial Data Input terminal of the
MCU or to the SI terminal of the next device in a daisy chain. This output will remain
tri-stated unless the device is selected by a low
CS
terminal. The output signal
generated will have CMOS logic levels and the output data will transition on the
rising edges of SCLK. The serial output data provides fault information for each
output and is returned MSB first when the device is addressed. OD11 through OD0
are output fault bits for outputs 11 through 0, respectively.
19
CS
Chip Select
(Active Low)
This is an input terminal connected to a chip select output of a microcontroller
(MCU). This IC controls which device is addressed (selected) by pulling the
CS
terminal of the desired device logic Low, enabling the SPI communication with the
device, while other devices on the serial link keep their serial outputs tri-stated. This
input has an internal active pullup and requires CMOS logic levels.
20
SCLK
Serial Clock
This input terminal is connected to the SCLK terminal of the master MCU, which is
a bit (shift) clock for the SPI port. It transitions one time per bit transferred at an
operating frequency, f
SPI
, and is idle between command transfers. It is 50% duty
cycle and has CMOS logic levels. This signal is used to shift data to and from the
33888.
21
SI
Serial Input
This input terminal is connected to the SPI Serial Data Output terminal of the MCU
from which it receives output command data. This input has an internal active
pull-down and requires CMOS logic levels. The serial data transmitted on this line
is a 16-bit control command sent MSB first, which controls the twelve output
channels. Bits D3:D0 control the high-side outputs HS3:HS0, respectively. Bits
D11:D4 control the low-side outputs LS11:LS4, respectively. The MUC will ensure
that data is available on the falling edge of SCLK.
22
ILS
Low-Side Input
This input terminal is used to directly control a number of the low-side devices as
configured by SPI. This terminal may or may not be activated depending on the
configured state of the internal logic.
23
24
61
62
IHS3
IHS2
IHS0
IHS1
High-Side Input 3
High-Side Input 2
High-Side Input 0
High-Side Input 1
Each high-side input terminal is used to directly control only one designated high-
side output. These inputs may or may not be activated depending on the configured
state of the internal logic.
25
60
CSNS2-3
CSNS0-1
Current Sense 2-3
Current Sense 0-1
These terminals deliver a ratioed amount of the high-side output current that can be
used to generate signal ground referenced output voltages for use by the MCU.
Each respective CSNS terminal can be configured via SPI to deliver current from
either of the two assigned outputs, or the currents could be the sum of the two.
Current from HS0 and/or HS1 are sensed via CSNS0-1. Current from HS2 and/or
HS3 are sensed via CSNS2-3.
28, 29
56, 57
HS3
HS2
High-Side Output 3
High-Side Output 2
Each terminal is the source of a 40 m
MOSFET high-side driver, which delivers
current through the connected loads. These outputs can be controlled via SPI or
using the IHS terminals depending on the internal configuration. These outputs are
current limited and thermally protected. During fail-safe mode, output HS2 will be
turned on until the device is reinitialized and then immediately followed by normal
operation.
30–35,
50–55
NC
Not Connected
These terminals are not connected internally.
TERMINAL DEFINITIONS FOR PQFP (continued)
Functional descriptions of many of these terminals can be found in the System/Application Information section beginning on
page 19
.
Terminal
Terminal
Name
Formal Name
Definition
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相关PDF资料 |
PDF描述 |
|---|---|
| 33888A | Quad High-Side and Octal Low-Side Switch for Automotive |
| 338FP-M | Versatile Miniature Switch, High Performance |
| 33981 | High-Frequency, High-Current, Self-Protected High-Side Switch (4.0 mз up to 60 kHz) |
| 33984 | Dual Intelligent High-Current Self-Protected Silicon High-Side Switch (4.0 mз) |
| 33991 | Gauge Driver Integrated Circuit |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 33888A | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:Quad High-Side and Octal Low-Side Switch for Automotive |
| 33889 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:System Basis Chip with Low Speed Fault Tolerant CAN Interface |
| 338-894 | 制造商:Johnson Electric / Saia-Burgess 功能描述:16mm tool kit mounting spanners |
| 338895 | 制造商:CORNING CABLE SYSTEMS 功能描述:CORNING-C 95-200-42 SC 8.3/125 SM UNICAM CONN |
| 338898 | 制造商:CORNING CABLE SYSTEMS 功能描述:ST 62.5/125 UNICAM CONNECTOR COMPOSITE FERRULE SINGLE PACK |
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