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UCD3138RHAR Folha de dados(PDF) 56 Page - Texas Instruments

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Nome de Peças UCD3138RHAR
Descrição Electrónicos  Highly Integrated Digital Controller for Isolated Power
PDF  78 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

UCD3138RHAR Folha de dados(HTML) 56 Page - Texas Instruments

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Temperature
Sensor
Ch14
ADC 12
Temp Cal
UCD3138
SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013
www.ti.com
PIN NUMBER
BIT
PIN_NAME
UCD3138-64 PIN
UCD3138-40 PIN
11
FAULT[2]
42
25
10
FAULT[1]
36
23
9
FAULT[0]
35, 39
22
8
SYNC
12, 26,37
8, 21
7
DPWM3B
24
18
6
DPWM3A
23
17
5
DPWM2B
22
16
4
DPWM2A
21
15
3
DPWM1B
20
14
2
DPWM1A
19
13
1
DPWM0B
18
12
0
DPWM0A
17
11
4.20 Temperature Sensor Control
Temperature sensor control register provides internal temperature sensor enabling and trimming
capabilities. The internal temperature sensor is disabled as default.
Figure 4-8. Internal Temp Sensor
Temperature sensor is calibrated at room temperature (25 °C) via a calibration register value.
The temperature sensor is measured using ADC12 (via Ch14). The temperature is then calculated using a
mathematical formula involving the calibration register (this effectively adds a delta to the ADC
measurement).
The temperature sensor can be enabled or disabled.
4.21 I/O Mux Control
In different packages of UCD3138 several I/O functions are multiplexed and routed toward a single
physical pin. I/O Mux Control register may be used in order to choose a single specific functionality that is
desired to be assigned to a physical device pin for your application.
4.22 Current Sharing Control
UCD3138 provides three separate modes of current sharing operation.
•
Analog bus current sharing
•
PWM bus current sharing
•
Master/Slave current sharing
56
Functional Overview
Copyright © 2012–2013, Texas Instruments Incorporated
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Product Folder Links: UCD3138



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