HPM10_16 Datasheet, PDF (3/18 Pages) ON Semiconductor – Power Management IC for Hearing Aids

HPM10
Electrical Performance Specifications
Table 3. ELECTRICAL SPECIFICATIONS
Description
Symbol
Conditions
OVERALL OPERATING CONDITIONS
Analog DC supply
VDDP
DC Supply from charger
Digital IO supply
OTP supply for Burning
Supply voltage
Analog ground
Digital Ground
Input clock frequency
Operating temperature
Extended Operating
temperature
VDDIO
VDD_OTP
VBAT
VSSA
VSS
EXT_CLK
Top
Top ext
During burn
Li−Ion battery
AgZn battery
ZnAir battery
(Note 4)
Deep sleep current
Isleep
VBAT=3.8 V, T=25°C
CHARGE VOLTAGE AND CURRENT SOURCE
Charge current range
Ichg
Charge current granularity
Ichg LSB
Current ripple
Ichg Ripple Ichg=10 mA
Charge voltage precision
VBAT=3.8 V, Ichg= 0 mA
Charge current precision
VBAT=3.8 V, Ichg= 5 mA
CHARGER COMMUNICATION INTERFACE
Transmit pull down resistor TX Rdown VDDP = 5 V
Transmit data rate
TX DR
VDDP = 5 V
Transmit current modulation TX Imod
Includes Rdown and switch
impedance
Receive data rate
Receive voltage level for
input high
RX DR
RX Vih
Receive voltage level for
input low
RX Vil
Allowable Rise/Fall Time
for VDDP Supply
Voltage modulation = 200
mV
STEP DOWN CHARGE PUMP (DIV3)
Supply from battery (Li−Ion) Vbat Li−Ion
Supply to hearing aid
VHA
When active
Relative to VBAT. Iload = 1
mA
Switching frequency using
EXT_CLK or a division of
EXT_CLK
Freq
Output impedance
Power efficiency
Ripple
Load current
Rout
Eff
Iload
Iload = 1 mA
Iload = 1 mA
For functional operation,
VBAT = 3.6 V
Min
Typ
4.8
−
DVREG
−
5.5
−
2.7
−
1.2
−
1.00
−
0
0
0.125
−
0
−
−20
−
−
15
0
−
−
30
−
15
2.6
3.3
1.9
2
1
1.5
1.9
VDDP+
0.15
VDDP−
0.05
2
VDDP+
0.2
VDDP
3.1
3.6
0.31
0.33
62
90
−
6
80
−
−
−
−
−
Max
5.2
(Note 3)
VDDP
6.0
4.3
2.0
1.65
32
50
70
150
23
−
150
20
200
4.0
2.1
2
2.1
VDDP+
0.25
VDDP+
0.05
100
4.3
0.35
125
10
−
50
15
Units Screened
V
n
V
V
n
V
n
V
n
V
n
V
V
MHz
°C
°C
nA
n
mA
n
mA
mA
mV
n
uA
n
kOhm
n
kHz
n
mA
n
kHz
V
V
ms
V
VBAT
n
kHz
n
Ohm
n
%
n
mV
n
mA
n
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