MC33772C: 6-Channel Li-ion Battery Cell Controller IC

Overview

Features

Features

MC33772C Block Diagram

MC33772C Block Diagram

MC33772C Battery Cell Controller

MC33772C Battery Cell Controller

Key Parametrics

  • Cell Voltage Measurement Channel
    0to1, 3to4, 3to6
  • Cell OV/UV
    no, yes
  • Cell Balancing
    no, yes
  • Coulomb Count
    no, yes
.

Target Applications

Comparison Table

Parameter MC33771B MC33771C MC33772B MC33772C
Voltage Channels 7..14 7..14 3..6 3..6
Supply VRange (Max) 9.6 V..61.6 V (75 V) 9.6 V..61.6V (75 V) 6 V..30 V (40 V) 6 V..30 V (40 V)
Cell Input Voltage Range -0.3 V to 5 V -0.3 V to 5 V -0.3 V to 5 V -0.3 V to 5 V
Measurement Error ± 0.8 mV (Vcell =3.3 v Ta = 25°c) ± 0.8 mV (Vcell =3.3 v Ta = 25°c) ± 0.8 mV (Vcell =3.3 v Ta = 25°c) ± 0.8 mV (Vcell =3.3 v Ta = 25°c)
Total Measurement Error
(After aging: MLS3 and 1000h HTOL)
± 3.9 mV ± 3.9 mV ± 3.9 mV ± 3.9 mV
Vpwr=9.6 V..61.6 V,
Vcell=1.5 V..4.3 V, -40~85°C
Vpwr=9.6 V..61.6 V,
Vcell=1.5 V..4.3 V, -40°C..85°C
Vpwr=6 V..30 V,
Vcell=1.5 V..4.3 V, -40~85°C
Vpwr=6 V..30 V,
Vcell=1.5 V..4.3 V, -40~85°C
Measurement averaging No Configurable Averaging
Samples 2n n=0..8, (1,2,4,..256)
No Configurable Averaging
Samples 2n n=0..8, (1,2,4,..256)
Functional Safety ASIL C
ASIL D Compliance
ASIL C
ASIL D Compliance
ASIL C
ASIL D Compliance
ASIL C
ASIL D Compliance
Isolated communication Speed 2 Mbps 2 Mbps 2 Mbps 2 Mbps
Communication Isolation Inductive Inductive, Capacitive Inductive Inductive, Capacitive
Max Nodes per Daisy Chain 15 63 15 63
CRC Bit 8 8 8 8
Comms bit 40 48 40 48
Integrated Balancing <300 mA, Timer <300 mA, Timer <300 mA, Timer <300 mA, Timer
Balancing sleep mode Yes Yes Yes Yes
GPIO / Analog measurement inputs 7 7 7 7
I2C Controller EEPROM Only EEPROM Only EEPROM Only EEPROM Only
Current Channels 1 1 1 1
Coulomb counter 1 1 1 1
Package 64-pin LQFP-EP (-40~105°C) 64-pin LQFP-EP (-40~105°C) 48-pin LQFP-EP (-40~105°C) 48-pin LQFP-EP (-40~105°C)

Battery Management Systems (BMS) Hardware Solutions

Battery Management Systems (BMS) Hardware Solutions

Battery management systems (BMS) solutions for automotive and industrial applications including 12 V, 48 V, high-voltage and battery pack monitoring applications.

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SafeAssure Functional Safety Program

SafeAssure Functional Safety Program

When it comes to functional safety, NXP stands for quality and reliability. Our SafeAssure program simplifies system-level safety requirements in accordance with ISO 26262.
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