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TPIC2810 Datasheet

  • TPIC2810

  • 8-BIT LED DRIVER WITH I2C INTERFACE

  • 18頁(yè)

  • TI

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TPIC2810
8-BIT LED DRIVER WITH I
2
C INTERFACE
SLIS109A 鈥?DECEMBER 2001 鈥?REVISED SEPTEMBER 2002
D
Low r
DS(on)
. . . 5
鈩?/div>
Typical
D
Eight Power DMOS Transistor Outputs of
D
D
D
100-mA Continuous Current
210-mA Current Limit Capability
Drain Output ESD Protection . . . 3000 V
Output Clamp Voltage . . . 40 V
V
CC
SDA
DRAIN0
DRAIN1
DRAIN2
DRAIN3
A2
G
1
2
3
4
5
6
7
8
D PACKAGE
(TOP VIEW)
16
15
14
13
12
11
10
9
description
The TPIC2810 device is a monolithic, medium-
voltage, low-current, 8-bit shift register design to
drive low-side switched resistive loads such as
LEDs. The device is not recommended for
switching inductive loads.
GND
SCL
DRAIN7
DRAIN6
DRAIN5
DRAIN4
A1
A0
This device contains an 8-bit, serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. Data
transfers through the shift register via an I
2
C bus interface. Data is transferred into the data shift register only
after the group ID and device address have been verified. The subaddress directs the I
2
C bus interface to read
or write data to the device or transfer data to the output. When output enable (G) is held high, all drain outputs
are off. When G is held low, data from the output storage register is transparent to the output buffers. When data
in the output buffers is low, the DMOS transistor outputs are off. When data is high, the DMOS transistor outputs
have sink-current capability.
The TPIC2810 device has an internal power-up clear to initialize all registers to an off state when power is
applied to the device. It also has a thermal sensor to monitor the die temperature and shut the drain outputs
off, if an over current condition occurs.
Outputs are low-side, open-drain DMOS transistors with output ratings of 40 V and 100 mA continuous
sink-current capability. Each output provides a 210-mA maximum current limit at T
C
= 25擄C. The current limit
decreases as the junction temperature increases for additional device protection. The device also provides up
to 3000 V of ESD protection on output terminals and 2000 V of ESD protection on input terminals when tested
using the human-body model.
The TPIC2810 device is characterized for operation over the operating case temperature range of 鈥?0擄C to
125擄C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2002, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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