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EMC1701 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EMC1701
기능 High-Side Current-Sense
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EMC1701 데이터시트, 핀배열, 회로
EMC1701
High-Side Current-Sense and Internal
1°C Temperature Monitor
PRODUCT FEATURES
Datasheet
General Description
The EMC1701 is a combination high-side current sensing
device with precision temperature measurement. It
measures the voltage developed across an external sense
resistor to represent the high-side current of a battery or
voltage regulator. The EMC1701 also measures the source
voltage and uses these measured values to present a
proportional power calculation. The EMC1701 contains
additional bi-directional peak detection circuitry to flag
instantaneous current spikes with programmable time
duration and magnitude threshold. Finally, the EMC1701
includes an internal diode channel for ambient temperature
measurement.
Both current sensing and temperature monitoring include
two tiers of protection: one that can be masked and causes
the ALERT pin to be asserted, and the other that cannot be
masked and causes the THERM pin to be asserted.
Applications
„ Notebook and Desktop Computers
„ Industrial
„ Power Management Systems
„ Embedded Applications
Features
„ High-side current sensor
— Bi-directional current measurement
— Measures source voltage and indicates power ratio
— 1% current measurement accuracy
— Integrated over 82ms to 2.6sec with 11-bit resolution
— 3V to 24V bus voltage range
„ Independent hardware set instantaneous current peak
detector (EMC1701-1 only)
— Software controls to program time duration and
magnitude threshold
„ Power supply options
— Bus or separately powered for low voltage operation
„ Wide temperature operating range: -40°C to +85°C
„ Internal temperature monitor
— ±1°C accuracy (-5°C < TA < 85°C)
„ ALERT and THERM outputs for temperature, voltage,
and out-of-current limit reporting
„ SMBus 2.0 interface
— Pin-selectable SMBus Addresswww.DataSheet.net/
— Block Read and Write
„ Available in a 12-pin 4mm x 4mm QFN RoHS Compliant
Package (EMC1701-1)
„ Available in a 10-pin MSOP RoHS Compliant Package
(EMC1701-2)
Block Diagram
Peak
Detection
Internal
Temp
Diode
Analog
Mux
13 - 15 bit
Σ Δ ADC
Configuration
11 - 15 bit
Σ Δ ADC
*EMC1701-1 only
Current Limits
Current Registers
Power Register
Voltage and
Temp Registers
Voltage and
Temp Limits
SMSC EMC1701
DATASHEET
SMBus
Slave
Protocol
ADDR_SEL
SMCLK
SMDATA
ALERT
THERM
Revision 1.2 (09-27-10)
Datasheet pdf - http://www.DataSheet4U.co.kr/




EMC1701 pdf, 반도체, 판매, 대치품
High-Side Current-Sense and Internal 1°C Temperature Monitor
Datasheet
5.14
5.15
5.16
5.17
5.18
5.19
5.20
5.21
5.22
5.23
5.24
5.25
5.26
5.27
Crit Limit Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Voltage Sampling Configuration Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Current Sense Sampling Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Peak Detection Configuration Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Sense Voltage Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Source Voltage Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Power Ratio Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
VSENSE Limit Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Source Voltage Limit Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Critical Voltage Limit Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Product Features Register (EMC1701-1 only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Product ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
SMSC ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Revision Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Chapter 6 Package Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.1 EMC1701-1 Package Drawing (12-Pin QFN 4mm x 4mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.2 EMC1701-2 Package Drawing (10-pin MSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
6.3 EMC1701 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Chapter 7 Datasheet Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
www.DataSheet.net/
Revision 1.2 (09-27-10)
4
DATASHEET
SMSC EMC1701
Datasheet pdf - http://www.DataSheet4U.co.kr/

4페이지










EMC1701 전자부품, 판매, 대치품
High-Side Current-Sense and Internal 1°C Temperature Monitor
Datasheet
Table 5.37 Product ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 5.38 Manufacturer ID Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 5.39 Revision Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 7.1 Customer Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
www.DataSheet.net/
SMSC EMC1701
7
DATASHEET
Revision 1.2 (09-27-10)
Datasheet pdf - http://www.DataSheet4U.co.kr/

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