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參數(shù)資料
| 型號： | TPS65552ADGQRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A BATTERY CHARGE CONTROLLER, PDSO10 |
| 封裝： | GREEN, POWERPAD, PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大小： | 621K |
| 代理商： | TPS65552ADGQRG4 |
www.ti.com
PRODUCT
PREVIEW
ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
TPS65552A
SLVS567 – JULY 2005
T
A = 25°C, VBAT = 4.2 V, VCC = 5 V, V(SW) = 4.2 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
R(ONL)
ON resistance of XFULL
I(XFULL) = -1 mA
1.5
3
k
V(PKH)(1)
Upper threshold voltage of I_PEAK
2.4
V
V(PKL)(1)
Lower threshold voltage of I_PEAK
0.6
V
CHG = H, V(SW) = 0 V
ICC1
Supply current from VBAT
27
A
(free run by tMAX)
CHG = H, V(SW) = 0 V
ICC2
Supply current from VCC
2.5
5
mA
(free run by tMAX)
ICC3
Supply current from VCC and
CHG = L
1
A
VBAT
Ilkg1
Leakage current of SW terminal
2
A
Ilkg2
Leakage current of XFULL ter-
V(XFULL) = 5 V
1
A
minal
SW ON resistance between
R(ONSW)
I(SW) = 1 A
0.3
1
SW and PGND
R(IGBT1)
G_IGBT pullup resistance
V(G_IGBT) = 0 V
5
10
15
R(IGBT2)
G_IGBT pulldown resistance
V(G_IGBT) = 5 V
25
51
75
I(PEAK1)
Upper peak of I(SW)
V(I_IPEAK) = 3 V
1.58
1.68
1.78
A
I(PEAK2)
Lower peak of I(SW)
V(I_IPEAK) = 0 V
0.77
0.87
0.97
A
Charge completion detect voltage
V(FULL)
TPS65552A
28.7
29
29.3
V
at V(SW)
V(ZERO)
Zero current detection at V(SW)
1
20
60
mV
T(SD)(1)
Thermal shutdown temperature
150
160
170
°C
Over VDS detection at V(SW)
0.95
1.2
1.45
V
tMAX
MAX ON time
50
80
120
s
Pulldown resistance of CHG,
R(INPD)
VCHG = V(F_ON) = 4.2 V
100
k
F_ON
(1)
Specified by design.
T
A = 25°C, VBAT = 4.2 V, VCC = 5 V, V(SW) = 4.2 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
F_ON
↑↓ - G_IGBT↑↓
50
ns
SW ON after V(SW) dips from V(ZERO)
45
ns
SW OFF after I(SW) exceeds I(PEAK)
270
ns
tPD(1)
Propagation delay
XFULL
↓ after V
(SW) exceeds V(FULL)
300
ns
SW ON after CHG
↑
20
ns
SW OFF after CHG
↓
20
ns
(1)
Specified by design.
3
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