NXP Semiconductors
MC33771B_SDS
Battery cell controller IC
MC33771BSDS All information provided in this document is subject to legal disclaimers. © NXP B.V. 2018. All rights reserved.
Short data sheet: technical data Rev. 5.0 — 2 May 2018
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Symbol Parameter Min Typ Max Unit
t
OFF
Cell balance driver turn off
R
L
= 15 Ω
—
200
—
µs
t
BAL_DEGLICTH
Short/open detect filter time — 20 — µs
Internal temperature measurement
IC_TEMP1_ERR IC temperature measurement error −3.0 — 3.0 K
IC_TEMP1_RES IC temperature resolution — 0.032 — K/LSB
TSD_TH Thermal shutdown — 170 — °C
TSD_HYS Thermal shutdown hysteresis — 10 — °C
Default operational parameters
V
CTOV(TH)
Cell overvoltage threshold (8 bits), typical value is default value after
reset
0.0 4.2 5.0 V
V
CTOV(RES)
Cell overvoltage threshold resolution — 19.53125 — mV/LSB
V
CTUV(TH)
Cell undervoltage threshold (8 bits), typical value is default value
after reset
0.0 2.5 5.0 V
V
CTUV(RES)
Cell undervoltage threshold resolution — 19.53125 — mV/LSB
V
GPIO_OT(TH)
GPIOx configured as ANx input overtemperature threshold from
POR
— 1.16 — V
V
GPIO_OT(RES)
Temperature voltage threshold resolution — 4.8828125 — mV/LSB
V
GPIO_UT(TH)
GPIOx configured as ANx input undertemperature threshold from
POR
— 3.82 — V
V
GPIO_UT(RES)
Temperature voltage threshold resolution — 4.8828125 — mV/LSB
General purpose input/output GPIOx
V
IH
Input high-voltage (3.3 V compatible) 2.0 — — V
V
IL
Input low-voltage (3.3 V compatible) — — 1.0 V
V
HYS
Input hysteresis — 100 — mV
I
IL
Input leakage current
Pins tristate, V
IN
= V
COM
or AGND
−100
—
100
nA
I
IDL
Differential Input Leakage Current GPIO 5,6
GPIO 5,6 configured as digital inputs for current measurement
−30
—
30
nA
V
OH
Output high-voltage I
OH
= −0.5 mA V
COM
−
0.8
— — V
V
OL
Output low-voltage I
OL
= +0.5 mA — — 0.8 V
V
ADC
Analog ADC input voltage range for ratiometric measurements AGND — V
COM
V
V
OL(TH)
Analog input open pin detect threshold — 0.15 — V
R
OPENPD
Internal open detection pull-down resistor 3.8 5.0 — kΩ
t
GPIO0_WU
GPIO0 WU de-glitch filter — 50 — µs
t
GPIO0_FLT
GPIO0 daisy chain de-glitch filter both edges — 20 — µs
t
GPIO2_SOC
GPIO2 convert trigger de-glitch filter — 2.0 — µs
t
GPIOx_DIN
GPIOx configured as digital input de-glitch filter 2.5 — 5.6 µs
Reset input
V
IH_RST
Input high-voltage (3.3 V compatible) 2.0 — — V
V
IL_RST
Input low-voltage (3.3 V compatible) — — 1.0 V
V
HYS
Input hysteresis — 0.6 — V