BQ2954_13 Datasheet, PDF (14/23 Pages) Texas Instruments – Lithium Ion Charge Management IC

bq2954
Recommended DC Operating Conditions (TA = TOPR)
Symbol
Parameter
Minimum Typical Maximum Unit
Notes
V_CC
Supply voltage
4.5
5.0
5.5
V
VTEMP TS voltage potential
0
-
V_CC
V V_TS - V_SNS
V_BAT BAT voltage potential
0
-
V_CC
V
I_CC
Supply current
-
2
4
mA Outputs unloaded
DSEL tri-state open detection
-2
-
2
µA Note
I_IZ
I_TERM tri-state open detection
-2
2
µA
VIH
Logic input high
VCC - 0.3
-
-
V DSEL, ITERM
VIL
Logic input low
-
-
VSS + 0.3 V DSEL, CSEL, ITERM
LED1, LED2, BTST, output high VCC - 0.8
-
VOH
MOD output high
V_CC - 0.8
-
-
V IOH ≤ 10mA
-
V IOH ≤ 10mA
LED₁, LED₂, BTST, output low
-
-
V_SS +0.8 V I_OL ≤ 10mA
MOD output low
-
-
VSS + 0.8 V IOL ≤ 10mA
V_OL
CHG output low
-
-
V_SS + 0.8 V I_OL ≤ 5mA, Note 3
LCOM output low
-
-
VSS + 0.5 V IOL ≤ 30mA
LED₁, LED₂, BTST, source
I_OH
MOD source
-10
-
-5.0
-
-
mA V_OH =V_CC - 0.5V
-
mA V_OH =V_CC - 0.5V
LED1, LED2, BTST, sink
10
-
-
mA VOL = VSS + 0.5V
MOD sink
5
-
-
mA V_OL = V_SS + 0.8V
I_OL
CHG sink
5
-
-
mA VOL = VSS + 0.8V, Note 3
LCOM sink
30
-
-
mA VOL = VSS + 0.5V
DSEL logic input low source
I_IL
I_TERM logic input low source
-
-
+30
µA V = VSS to VSS + 0.3V, Note 2
-
-
+70
µA V = VSS to VSS + 0.3V
DSEL logic input high source
I_IH
I_TERM logic input high source
-30
-
-70
-
-
µA V = VCC - 0.3V to VCC
-
µA V = VCC - 0.3V to VCC
Notes:
1. All voltages relative to VSS.
2. Conditions during initialization after V_CC applied.
3. SNS = 0V.
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