China Programmable thermostat and failsafe diode fault response in MICROCHIP MIC384-3BM thermal supervisor for sale

Programmable thermostat and failsafe diode fault response in MICROCHIP MIC384-3BM thermal supervisor

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Product Description

Product Overview

The MIC384 is a versatile digital thermal supervisor designed to measure local and two remote temperatures. It features a 2-wire SMBus-compatible interface, programmable thermostat settings, an open-drain interrupt output, and fault queues to prevent nuisance tripping. Its low power shutdown mode and failsafe response to diode faults make it suitable for demanding thermal management applications.

Product Attributes

Brand: Microchip Technology Inc.
Product Name: MIC384
Package Types: 8-Lead SOIC (M), 8-Lead MSOP (MM)

Technical Specifications

Parameter	Symbol	Min.	Typ.	Max.	Units	Conditions
Power Supply Voltage	VDD	2.7		5.5	V	Operating
Supply Current (Normal Mode)	IDD		350	750	A	/INT, open, A0 = VDD or GND, CLK = DATA = high
Supply Current (Shutdown Mode, CLK=100kHz)	IDD		3		A	/INT, open, A0 = VDD or GND
Supply Current (Shutdown Mode, CLK=DATA=high)	IDD		1	10	A	/INT, open, A0 = VDD or GND
Power-on Reset Time	tPOR			200	s	VDD > VPOR
Power-on Reset Voltage	VPOR		2.0	2.7	V	All registers reset to default values; A/D conversions initiated
Power-on Reset Hysteresis Voltage	VHYST		250		mV
Local Temperature Accuracy			1	2	C	0C TA +100C, /INT open, 3V VDD 3.6V
Local Temperature Accuracy			2	3	C	55C TA +125C, /INT open, 3V VDD 3.6V
Remote Temperature Accuracy			1	3	C	0C TD +100C, /INT open, 3V VDD 3.6V, 0C TA +85C
Remote Temperature Accuracy			2	5	C	55C TD +125C, /INT open, 3V VDD 3.6V, 0C TA +85C
Local Zone Conversion Time	tCONV0		50	80	ms
Remote Zone Conversion Time	tCONV1		100	160	ms
Remote Temperature Input Current	IF		224	400	A	T1 or T2 forced to 1.5V, high level
Address Input Low Voltage	VIL			0.6	V	2.7V VDD 5.5V
Address Input High Voltage	VIH	2.0			V	2.7V VDD 5.5V
Input Capacitance (A0)	CIN		10		pF
Serial Data I/O Low Output Voltage	VOL			0.4	V	IOL = 3 mA
Serial Data I/O Low Output Voltage	VOL			0.8	V	IOL = 6 mA
Serial Data I/O Low Input Voltage	VIL			0.3VDD	V	2.7V VDD 5.5V
Serial Data I/O High Input Voltage	VIH	0.7VDD			V	2.7V VDD 5.5V
Serial Data I/O Input Capacitance	CIN		10		pF
Serial Clock Input Low Voltage	VIL			0.3VDD	V	2.7V VDD 5.5V
Serial Clock Input High Voltage	VIH	0.7VDD			V	2.7V VDD 5.5V
Serial Clock Input Capacitance	CIN		10		pF
Status Output Low Output Voltage	VOL			0.4	V	IOL = 3 mA
Status Output Low Output Voltage	VOL			0.8	V	IOL = 6 mA
Interrupt Propagation Delay	tINT			tCONV + 1	s	From TEMP > T_SET or TEMPx
Interrupt Reset Propagation Delay	tnINT			1	s	From any register read to /INT > VOH, FQ = 00, RPULLUP = 10 k
Default T_SET0 Value	T_SET0	81	81	81	C	tPOR after VDD > VPOR
Default T_HYST0 Value	T_HYST0	76	76	76	C	tPOR after VDD > VPOR
Default T_SET1 Value	T_SET1	97	97	97	C	tPOR after VDD > VPOR
Default T_HYST1 Value	T_HYST1	92	92	92	C	tPOR after VDD > VPOR
Default T_SET2 Value	T_SET2	97	97	97	C	tPOR after VDD > VPOR
Default T_HYST2 Value	T_HYST2	92	92	92	C	tPOR after VDD > VPOR
Storage Temperature	TS	65		+150	C
Ambient Temperature Range	TA	55		+125	C
Package Thermal Resistance (SOIC-8)	JA		152		C/W
Package Thermal Resistance (MSOP-8)	JA		206		C/W