Datasheet LTC3337 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | Primary Battery SOH Monitor with Precision Coulomb Counter |
| Seiten / Seite | 24 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Dateiformat / Größe | PDF / 1.4 Mb |
| Dokumentensprache | Englisch |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. (Note 2). BAT_IN = BAT_OUT = AVCC = DVCC = 3.6V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
IPEAK Turn-Off Threshold (VOUT_HIGH) (BAT_IN – BAT_OUT), BAT_OUT Rising l 88 110 132 mV IPEAK Turn-On Threshold (VOUT_LOW) (BAT_IN – BAT_OUT), BAT_OUT Falling l 140 160 230 mV BAT_OUT Hysteresis VHYST = VOUT_LOW – VOUT_HIGH l 40 mV
Voltage Monitor
VLSB 1.465 mV Total Voltage Error –1.0 1.0 % l –2.5 2.5 % Full-Scale Voltage (111111111111 Code) 6 V Zero Voltage (000000000000 Code) 0 V
Temperature Monitor
TLSB 0.784 °C Code for Room Temperature 25°C –5LSBs 01010101 +5LSBs Full-Scale Temperature (11111111 Code) 159 °C Zero-Scale Temperature (00000000 Code) –41 °C Hot Die Temperature Warning Threshold 00000000 Code for Register Bits H[15:8] –41 °C (Die Temperature that Causes IRQ = 0) 11111111 Code for Register Bits H[15:8] (Default) 159 °C Cold Die Temperature Warning Threshold 00000000 Code for Register Bits H[7:0] (Default) –41 °C (Die Temperature that Causes IRQ = 0) 11111111 Code for Register Bits H[7:0] 159 °C
Supercapacitor Balancer
VSCAP (BAT_OUT Pin) Supercapacitor Balancer Input Range l 2.5 5.5 V ISCAP (BAT_OUT Pin) Supercapacitor Balancer Quiescent Current, 62 150 nA BAT_OUT = 5V, IBAL = 0 Supercapacitor Balancer Max Source Current BAT_OUT = 5.0V, BAL = 2.4V 10 mA Supercapacitor Balancer Max Sink Current BAT_OUT = 5.0V, BAL = 2.6V –10 mA Supercapacitor Balance Point (VBAL) Percentage of BAT_OUT Voltage l 49 50 51 %
Digital Inputs and Outputs
DVCC Voltage Range l 1.8 5.5 V Digital Input High Voltage (VIH) For Pins IPK[2:0] l BAT_IN – 0.5 V For Pins SDA, SCL 70 %DVCC Digital Input Low Voltage (VIL) For Pins IPK[2:0] l 0.5 V For Pins SDA, SCL 30 %DVCC Digital Input High Current (IIH) For Pins IPK[2:0] 10 nA For Pins SDA, SCL 10 nA Digital Input Low Current (IIL) For Pins IPK[2:0] 10 nA For Pins SDA, SCL 10 nA Digital Output High Voltage (VOH) For Pins IRQ, BATOUT_OK; 1μA Out of Pin DVCC – 0.5 V Digital Output Low Voltage (VOL) For Pins IRQ, BATOUT_OK; 1μA into Pin 0.5 V For Pin SDA; 3mA into Pin 0.4 V
I2C Timing Characteristics (See Figure 1)
I2C Read Address 11001001 I2C Write Address 11001000 Clock Operating Frequency fSCL 400 kHz Rev. 0 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Timing Diagram Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Applications Related Parts
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C. (Note 2). BAT_IN = BAT_OUT = AVCC = DVCC = 3.6V unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
IPEAK Turn-Off Threshold (VOUT_HIGH) (BAT_IN – BAT_OUT), BAT_OUT Rising l 88 110 132 mV IPEAK Turn-On Threshold (VOUT_LOW) (BAT_IN – BAT_OUT), BAT_OUT Falling l 140 160 230 mV BAT_OUT Hysteresis VHYST = VOUT_LOW – VOUT_HIGH l 40 mV
Voltage Monitor
VLSB 1.465 mV Total Voltage Error –1.0 1.0 % l –2.5 2.5 % Full-Scale Voltage (111111111111 Code) 6 V Zero Voltage (000000000000 Code) 0 V
Temperature Monitor
TLSB 0.784 °C Code for Room Temperature 25°C –5LSBs 01010101 +5LSBs Full-Scale Temperature (11111111 Code) 159 °C Zero-Scale Temperature (00000000 Code) –41 °C Hot Die Temperature Warning Threshold 00000000 Code for Register Bits H[15:8] –41 °C (Die Temperature that Causes IRQ = 0) 11111111 Code for Register Bits H[15:8] (Default) 159 °C Cold Die Temperature Warning Threshold 00000000 Code for Register Bits H[7:0] (Default) –41 °C (Die Temperature that Causes IRQ = 0) 11111111 Code for Register Bits H[7:0] 159 °C
Supercapacitor Balancer
VSCAP (BAT_OUT Pin) Supercapacitor Balancer Input Range l 2.5 5.5 V ISCAP (BAT_OUT Pin) Supercapacitor Balancer Quiescent Current, 62 150 nA BAT_OUT = 5V, IBAL = 0 Supercapacitor Balancer Max Source Current BAT_OUT = 5.0V, BAL = 2.4V 10 mA Supercapacitor Balancer Max Sink Current BAT_OUT = 5.0V, BAL = 2.6V –10 mA Supercapacitor Balance Point (VBAL) Percentage of BAT_OUT Voltage l 49 50 51 %
Digital Inputs and Outputs
DVCC Voltage Range l 1.8 5.5 V Digital Input High Voltage (VIH) For Pins IPK[2:0] l BAT_IN – 0.5 V For Pins SDA, SCL 70 %DVCC Digital Input Low Voltage (VIL) For Pins IPK[2:0] l 0.5 V For Pins SDA, SCL 30 %DVCC Digital Input High Current (IIH) For Pins IPK[2:0] 10 nA For Pins SDA, SCL 10 nA Digital Input Low Current (IIL) For Pins IPK[2:0] 10 nA For Pins SDA, SCL 10 nA Digital Output High Voltage (VOH) For Pins IRQ, BATOUT_OK; 1μA Out of Pin DVCC – 0.5 V Digital Output Low Voltage (VOL) For Pins IRQ, BATOUT_OK; 1μA into Pin 0.5 V For Pin SDA; 3mA into Pin 0.4 V
I2C Timing Characteristics (See Figure 1)
I2C Read Address 11001001 I2C Write Address 11001000 Clock Operating Frequency fSCL 400 kHz Rev. 0 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Timing Diagram Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Applications Related Parts