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R5601T Datasheet Preview

R5601T Datasheet

Lithium-Ion/ Lithium Polymer Battery Management Analog Front-End

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R5601T Series
Lithium-Ion/ Lithium Polymer Battery Management Analog Front-End
NO.EA-356-190910
OVERVIEW
The R5601T is a battery management IC designed for use with a microcontroller and features and analog front-end
with overcurrent protection for multi-cell Li-ion/ Li-polymer battery packs. The R5601T supports battery packs
consisting of up to 5 cells in series. The R5601T provides a cell selection switch, a decoder that selects the cell to be
monitored based on input signals from external devices, an amplifier that outputs the monitored battery voltage, an
additional amplifier that monitors charge and discharge currents based on the voltage at both ends of external
resistors and then converts the current values to voltage and outputs the voltage values, a low-current voltage
regulator that provides voltage to the MCU, a thermal shutdown circuit, an alert output pin that notifies external
devices of any errors, and various logic circuits. The R5601T is offered in a 16-pin TSSOP-16 package.
FEATURES
High-voltage Process·································· Absolute Maximum Rating: 32 V
Low Current Consumption ··························· Normal Mode: Typ. 36 µA
Low Consumption Mode: Typ. 6.5 µA
(Only VR and wakeup function operating)
Standby Mode: Max. 2.0 µA
High-accuracy Voltage Monitor ····················· Gain: 0.6 Input-referred Voltage Error: ±9 mV
Output-referred Voltage Error: ±5.4 mV
High-accuracy Current Monitor ····················· R5601TxxxAA Gain: 10 ±1.0%, 40 ±2.0%
R5601TxxxAC Gain: 5 ±0.8%, 10 ±1.0%
Short-circuit Current Detection ······················ The detector threshold/ time are settable using I2C interface.
Detector Threshold: 0.10, 0.15, 0.20, 0.40 V
Delay Time: 50, 100, 200, 400, 800 µs
External Reference Voltage Output················ 3.0000 V ±3.5 mV
Temp. Characteristics: ±30 ppm/°C (0 ≤ Ta ≤ 50°C, Ta ≈ Tj)
Voltage Regulator Output Voltage·················· 3.3 V, Output Voltage Accuracy: 1.5% (20°C to 60°C)
Output Current Limit: Min. 30 mA
Thermal Shutdown ····································· can be enabled or disabled by using I2C interface
Built-in FET Switch ····································· FET Switch can be set with MCU using I2C interface
Alert Output ·············································· provides a notification to MCU when detecting an event
Low-Power Mode······································· disables some of the internal function by the MCU control
Standby Mode ··········································· sets the IC to standby mode by inputting an external signal
to reduce the consumption current.
Wake-up Function ······································ sets the IC to normal mode when detecting a discharging current
to reduce the consumption current.
I2C Interface ·············································· using an I2C allows to control the IC with MCU
Package··················································· TSSOP-16 (0.65 mm pitch)
1




RICHO

R5601T Datasheet Preview

R5601T Datasheet

Lithium-Ion/ Lithium Polymer Battery Management Analog Front-End

No Preview Available !

APPLICATIONS
Power Tools
Power Storages
Cordless Vacuum Cleaners/ Robot Vacuum Cleaners
R5601T
NO.EA-356-190910
SELECTION GUIDE
The I2C slave address and the IC functions are user-selectable options with the R5601T.
Selection Guide
Product Name
R5601TxxxYY-E2-FE
Package
TSSOP-16
Quantity per Reel
2,500 pcs
Pb Free
Yes
Halogen Free
Yes
xxx: Specify the I2C slave address from below.
xxx I2C Slave Address
047 2Fh
063 3Fh
YY: Specify the IC functions from below.
YY
VROUT
Output Voltage
AA 3.3 V
AC 3.3 V
Voltage
Monitoring Gain
0.6
0.6
Current
Monitoring Gain
10/40
5/10
External Output
Reference Voltage
3.000 V
3.000 V
2


Part Number R5601T
Description Lithium-Ion/ Lithium Polymer Battery Management Analog Front-End
Maker RICHO
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