MAX4069 Maxim, MAX4069 Datasheet
MAX4069
Available stocks
Related parts for MAX4069
MAX4069 Summary of contents
Page 1
... V , while discharge current is given from CC 2.5V to GND. The MAX4071 is similar, but with a refer- ence voltage of 1.5V. The MAX4069 has an adjustable reference voltage, set by two external resistors. The MAX4072 has an input for an external reference. The MAX4069/MAX4071/MAX4072 operate from a 2.7V to 24V single supply. The MAX4070 operates from a 3.6V to 24V single supply. All devices are specified over the automotive operating temperature range, -40° ...
Page 2
... Operating Temperature Range .........................-40°C to +125°C CC Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300° 0V SHDN RS RS REFOUT = +25°C and CONDITIONS MAX4069/MAX4071/MAX4072 (Note MAX4070 T = +25° RS -40°C to +85°C OS ...
Page 3
... MIN MAX4069/MAX4070 +25°C A MAX4072 -35mV 40° 85°C SENSE 12V MIN gain = 50 MAX4069/MAX4070 +25°C A MAX4072 -17.5mV 40° 85°C SENSE 12V gain = 100 A MIN T = +25°C MAX4071 -15mV, ...
Page 4
... RS+ CC MAX4072 Gain = 50V 50mV, SENSE 12V 100pF Gain = 100V GSEL = GND A V GSEL = 2.7V to 24V CC PSRR (MAX4069/MAX4071/MAX4072 3.6V to 24V (MAX4070 3.6V or 24V 3.6V or 24V GSEL = V = 24V or GND GSEL CC SHDN = V = 24V CC I SHDN SHDN = GND, V ...
Page 5
... Input Current Note 1: All devices are 100% tested at T Note 215kΩ 210kΩ for the MAX4069 only (see Functional Diagram ). This sets REFOUT to 2.49V nominal. Note 3: Guaranteed by the PSRR test. Note 4: The REFOUT voltage for the MAX4069 should be set such that it does not exceed V ...
Page 6
... TOTAL ERROR vs. TEMPERATURE 1 50mV SENSE A = 100V 24V CC 0 12V CC -0.5 -1.0 -1.5 -50 - 100 TEMPERATURE (°C) MAX4069 REFOUT vs. TEMPERATURE 1.250 REFOUT CONNECTED TO ADJ 1.245 1.240 1.235 1.230 1.225 1.220 1.215 1.210 1.205 1.200 -50 - 100 TEMPERATURE (°C) 250 125 125 ...
Page 7
... SUPPLY VOLTAGE (V) SMALL-SIGNAL GAIN vs. FREQUENCY 50V - 100V/V V -15 -20 0 100 FREQUENCY (kHz) = +25°C, unless otherwise noted.) A MAX4069 REFOUT vs. SUPPLY VOLTAGE 1.235 1.233 1.231 1.229 1.227 1.225 1.223 1.221 1.219 1.217 1.215 100 125 SUPPLY VOLTAGE ( ...
Page 8
... STARTUP DELAY MAX4069-72 toc23 V CC 10V/div V OUT 5V/div V REFOUT 5V/div 20μs/div = +25°C, unless otherwise noted.) LARGE-SIGNAL TRANSIENT RESPONSE MAX4069-72 toc21 GAIN = 50 100μs/div EXITING SHUTDOWN MAX4069-72 toc24 V 5V/div V 2V/div V 2V/div 100μs/div INPUT 50mV/div OUTPUT ...
Page 9
... GND GND to the under-side exposed paddle. Adjustable Output Voltage Feedback Input. Connect a resistor-divider ADJ between REFOUT, ADJ, and GND (MAX4069 only, see Functional Diagram). REFOUT Reference Output Voltage (MAX4069/MAX4070/MAX4071) Voltage Output. The difference voltage, V OUT the voltage difference between RS+ and RS- and indicates the correct polarity ...
Page 10
... GND. The direction totally arbitrary. SENSE The input stage of the MAX4069–MAX4072 is shown in Figure 1. Its unique topology allows for monitoring bidi- rectional currents through the sense resistor (R for instance, current flows from RS+ to RS-, the MAX4069– ...
Page 11
... TO ADC -25mV REFOUT 2.5V DISCHARGE CURRENT GND The MAX4069–MAX4072 sense a wide variety of cur- rents with different sense-resistor values. Table 1 lists common resistor values for typical operation of these devices. Listed output voltage is with respect to REF. Choose R SENSE Voltage Loss: A high R source voltage to degrade through IR loss. For minimal ...
Page 12
... These capaci- tors are not required for operation or stability and their use does not degrade performance. The MAX4069–MAX4072 have been designed as a high- side current monitor to ease the task of grounding any battery charger, thermistor, etc., that may be a part of the battery pack. Grounding these devices requires no special precautions ...
Page 13
... Amplifiers with Reference SHDN 10 GSEL RS- 8 OUT RS+ 7 REFOUT GND 6 ADJ μMAX (REFIN) FOR MAX4072 ONLY. Layout PART , the Kelvin MAX4069 SENSE MAX4070 MAX4071 MAX4072 reasonably SENSE TRANSISTOR COUNT: 338 PROCESS: BiCMOS Pin Configurations 1 8 GSEL MAX4070 MAX4071 3 6 ...
Page 14
... Bidirectional, High-Side, Current-Sense Amplifiers with Reference For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 8 TQFN-EP 8 µMAX 10 µMAX 14 ______________________________________________________________________________________ Package Information PACKAGE CODE T833-2 U8-1 U10-2 DOCUMENT NO. 21-0137 21-0036 21-0061 ...
Page 15
... Bidirectional, High-Side, Current-Sense For the latest package outline information and land patterns www.maxim-ic.com/packages. COMMON DIMENSIONS SYMBOL MIN. MAX. A 0.70 0.80 D 2.90 3.10 E 2.90 3.10 A1 0.00 0.05 L 0.20 0.40 k 0.25 MIN. A2 0.20 REF. ______________________________________________________________________________________ Amplifiers with Reference Package Information (continued) PACKAGE VARIATIONS PKG. CODE T633-2 6 1.50±0.10 2.30±0.10 ...
Page 16
... Bidirectional, High-Side, Current-Sense Amplifiers with Reference For the latest package outline information and land patterns www.maxim-ic.com/packages. 16 ______________________________________________________________________________________ Package Information (continued) α α ...
Page 17
... Bidirectional, High-Side, Current-Sense For the latest package outline information and land patterns www.maxim-ic.com/packages. ______________________________________________________________________________________ Amplifiers with Reference Package Information (continued) α α 17 ...
Page 18
... Added information for RG1 and RG2 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 18 © ...