BQ27750 Datasheet, PDF (9/34 Pages) Texas Instruments – Impedance Track Battery Gas Gauge and Protection Solution for 1-Series Cell Li-Ion Battery Packs

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bq27750
SLUSCM7 – JUNE 2017
Instruction Flash (continued)
Typical values stated where T_A = 25ºC, Min/Max values stated where T_A = –40ºC to 85ºC (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP MAX
I_FLASHWRITE Flash-write current
T_A = –40°C to 85°C
5
I_FLASHERASE Flash-erase current T_A = –40°C to 85°C
15
UNIT
mA
mA
6.21 Data Flash
Typical values stated where T_A = 25ºC, Min/Max values stated where T_A = –40ºC to 85ºC (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP MAX
Data retention
10 ⁽¹⁾
Flash programming
write cycles
20000 ⁽¹⁾
t_PROGWORD
Word programming
time
T_A = –40°C to 85°C
40
t_MASSERASE Mass-erase time
T_A = –40°C to 85°C
40
t_PAGEERASE Page-erase time
T_A = –40°C to 85°C
40
I_FLASHREAD Flash-read current
T_A = –40°C to 85°C
1
I_FLASHWRITE Flash-write current
T_A = –40°C to 85°C
5
I_FLASHERASE Flash-erase current T_A = –40°C to 85°C
15
UNIT
Years
Cycles
µs
ms
ms
mA
mA
mA
(1) Assured by design
6.22 Current Protection Thresholds
Typical values stated where T_A = 25ºC, Min/Max values stated where T_A = –40ºC to 85ºC (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP MAX
V_OCD
OCD detection threshold
voltage range
V_OCD = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 1
V_OCD = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 0
–16.6
–8.3
–100
–50
ΔV_OCD
OCD detection threshold
voltage program step
V_OCD = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 1
V_OCD = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 0
–5.56
–2.78
ΔV_SCC
SCC detection threshold
voltage range
V_SCC = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 1
V_SCC = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 0
44.4
200
22.2
100
ΔV_SCC
SCC detection threshold
voltage program step
V_SCC = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 1
V_SCC = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 0
22.2
11.1
V_SCD1
SCD1 detection threshold
voltage range
V_SCD1 = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 1
V_SCD1 = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 0
–44.4
–22.2
–200
–100
ΔV_SCD1
SCD1 detection threshold
voltage program step
V_SCD1 = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 1
V_SCD1 = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 0
–22.2
–11.1
V_SCD2
SCD2 detection threshold
voltage range
V_SCD2 = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 1
V_SCD2 = V_SRP – V_SRN,
PROTECTION_CONTROL[RSNS] = 0
–44.4
–22.2
–200
–100
UNIT
mV
mV
mV
mV
mV
mV
mV
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