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DA14680 Datasheet(PDF) 3 Page - Dialog Semiconductor

Part # DA14680
Description  The most integrated and flexible Bluetooth짰 low energy SoC
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA14680 Datasheet(HTML) 3 Page - Dialog Semiconductor

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www.dialog-semiconductor.com/bluetoothlowenergy
• Analog interfaces
-
8-channel 10-bit ADC with averaging capability achieving 11.5 ENOB
-
Three matched white LED drivers
-
Temperature sensor
• Radio transceiver
-
2.4 GHz CMOS transceiver with integrated balun
-
50 Ω matched single wire antenna interface
-
0 dBm transmit output power and -94 dBm receiver sensitivity
-
Supply current at VBAT1 (3 V): 3.4 mA (TX), 3.1 mA (RX)
• Packages
-
AQFN with 60 pins, 6 mm x 6 mm x 0.9 mm
Power Management
There are 3 power rails that can
be used to supply external devices
namely V
sys, Vflash and Vext. There
are also internal rails used for the
core and the radio (V
core , Vradio). All
of the rails are supplied by a normal
LDO, a Retention LDO or one of the
outputs of the Single Inductance
Multiple Output (SIMO) DCDC
converter. When the SoC is active,
the DCDC is enabled. When the SoC
is in sleep mode, then the Retention
LDOs are supplying the rails.
The normal LDOs are used while
powering up the system or during
transitions from active to sleep and
vice-versa.
4.2V – 5.75V
VBUS
110mA/3mA
75mA/3mA
75mA/3mA
LDO_USB_RET
LDO_VBAT_RET
LDO_USB
LDO_VBAT
SIMO
DCDC
VBAT1
V12
Vcore
Vflash
Vsys
Vradio
Vext
V14
V33
VDD1V8
VDD1V8P
CC/CV
1.7V – 4.75V
4.7μF
10μF
4.7μF
0.47μH
10μF
10μF
+
-
The driving capability of the various rails is depicted in the figure: light blue for active, dark blue
for sleep. LDOs as well as DCDC outputs can be switched on/off depending on the application’s
requirements. A flexible Constant Current / Constant Voltage (CC/CV) charger supplying currents
from 200 uA to 400 mA allows for native re-chargeable batteries support. Finally, a State-of-Charge
engine, monitors the remaining capacitance of the battery when the system is active. The Power
Management Unit reduces Bill of Material and enables full control of the power budget of the final
product.


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